Home / 970,339,119.40-1,454,516,655.90-478,295,612.20

Finding the Fourth Proportional to 970,339,119.40, 1,454,516,655.90 and 478,295,612.20

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Solution

The fourth proportional to 970,339,119.40, 1,454,516,655.90 and 478,295,612.20 is: 716,954,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,339,119.40 : 1,454,516,655.90 = 478,295,612.20 : x
  2. Step 2: Convert to fraction form
    970,339,119.40/1,454,516,655.90 = 478,295,612.20/x
  3. Step 3: Cross multiply
    970,339,119.40x = 1,454,516,655.90 × 478,295,612.20
  4. Step 4: Simplify right side
    970,339,119.40x = 695,688,934,388,787,328
  5. Step 5: Solve for x
    x = 695,688,934,388,787,328/970,339,119.40
  6. Step 6: Final answer
    x = 716,954,434.26

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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.