Home / 484,513,159.20-726,769,738.80-430,943,906.40

Finding the Fourth Proportional to 484,513,159.20, 726,769,738.80 and 430,943,906.40

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Solution

The fourth proportional to 484,513,159.20, 726,769,738.80 and 430,943,906.40 is: 646,415,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,513,159.20 : 726,769,738.80 = 430,943,906.40 : x
  2. Step 2: Convert to fraction form
    484,513,159.20/726,769,738.80 = 430,943,906.40/x
  3. Step 3: Cross multiply
    484,513,159.20x = 726,769,738.80 × 430,943,906.40
  4. Step 4: Simplify right side
    484,513,159.20x = 313,196,990,291,779,584
  5. Step 5: Solve for x
    x = 313,196,990,291,779,584/484,513,159.20
  6. Step 6: Final answer
    x = 646,415,859.60

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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.