Home / 521,698,384.80-782,547,577.20-214,888,528.80

Finding the Fourth Proportional to 521,698,384.80, 782,547,577.20 and 214,888,528.80

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Solution

The fourth proportional to 521,698,384.80, 782,547,577.20 and 214,888,528.80 is: 322,332,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,698,384.80 : 782,547,577.20 = 214,888,528.80 : x
  2. Step 2: Convert to fraction form
    521,698,384.80/782,547,577.20 = 214,888,528.80/x
  3. Step 3: Cross multiply
    521,698,384.80x = 782,547,577.20 × 214,888,528.80
  4. Step 4: Simplify right side
    521,698,384.80x = 168,160,497,580,512,448
  5. Step 5: Solve for x
    x = 168,160,497,580,512,448/521,698,384.80
  6. Step 6: Final answer
    x = 322,332,793.20

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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.