Home / 1,026,434,567.70-1,539,651,851.55-481,231,214.10

Finding the Fourth Proportional to 1,026,434,567.70, 1,539,651,851.55 and 481,231,214.10

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Solution

The fourth proportional to 1,026,434,567.70, 1,539,651,851.55 and 481,231,214.10 is: 721,846,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,434,567.70 : 1,539,651,851.55 = 481,231,214.10 : x
  2. Step 2: Convert to fraction form
    1,026,434,567.70/1,539,651,851.55 = 481,231,214.10/x
  3. Step 3: Cross multiply
    1,026,434,567.70x = 1,539,651,851.55 × 481,231,214.10
  4. Step 4: Simplify right side
    1,026,434,567.70x = 740,928,529,812,719,488
  5. Step 5: Solve for x
    x = 740,928,529,812,719,488/1,026,434,567.70
  6. Step 6: Final answer
    x = 721,846,821.15

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Half scale
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Double scale
Find fourth proportional to 1,026,434,568.70, 1,539,651,853.05 and 481,231,215.10
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.