Home / 1,034,215,445.10-1,551,323,167.65-830,142,101.10

Finding the Fourth Proportional to 1,034,215,445.10, 1,551,323,167.65 and 830,142,101.10

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Solution

The fourth proportional to 1,034,215,445.10, 1,551,323,167.65 and 830,142,101.10 is: 1,245,213,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,215,445.10 : 1,551,323,167.65 = 830,142,101.10 : x
  2. Step 2: Convert to fraction form
    1,034,215,445.10/1,551,323,167.65 = 830,142,101.10/x
  3. Step 3: Cross multiply
    1,034,215,445.10x = 1,551,323,167.65 × 830,142,101.10
  4. Step 4: Simplify right side
    1,034,215,445.10x = 1,287,818,673,878,078,720
  5. Step 5: Solve for x
    x = 1,287,818,673,878,078,720/1,034,215,445.10
  6. Step 6: Final answer
    x = 1,245,213,151.65

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Half scale
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Double scale
Find fourth proportional to 1,034,215,446.10, 1,551,323,169.15 and 830,142,102.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.