Home / 970,336,646.40-1,454,512,946.40-478,293,139.20

Finding the Fourth Proportional to 970,336,646.40, 1,454,512,946.40 and 478,293,139.20

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Solution

The fourth proportional to 970,336,646.40, 1,454,512,946.40 and 478,293,139.20 is: 716,950,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,336,646.40 : 1,454,512,946.40 = 478,293,139.20 : x
  2. Step 2: Convert to fraction form
    970,336,646.40/1,454,512,946.40 = 478,293,139.20/x
  3. Step 3: Cross multiply
    970,336,646.40x = 1,454,512,946.40 × 478,293,139.20
  4. Step 4: Simplify right side
    970,336,646.40x = 695,683,563,140,697,344
  5. Step 5: Solve for x
    x = 695,683,563,140,697,344/970,336,646.40
  6. Step 6: Final answer
    x = 716,950,726.04

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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.