Home / 1,034,215,448.60-1,551,323,172.90-830,142,104.60

Finding the Fourth Proportional to 1,034,215,448.60, 1,551,323,172.90 and 830,142,104.60

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Solution

The fourth proportional to 1,034,215,448.60, 1,551,323,172.90 and 830,142,104.60 is: 1,245,213,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,215,448.60 : 1,551,323,172.90 = 830,142,104.60 : x
  2. Step 2: Convert to fraction form
    1,034,215,448.60/1,551,323,172.90 = 830,142,104.60/x
  3. Step 3: Cross multiply
    1,034,215,448.60x = 1,551,323,172.90 × 830,142,104.60
  4. Step 4: Simplify right side
    1,034,215,448.60x = 1,287,818,683,665,955,840
  5. Step 5: Solve for x
    x = 1,287,818,683,665,955,840/1,034,215,448.60
  6. Step 6: Final answer
    x = 1,245,213,156.90

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Double scale
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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.