Home / 484,575,376.80-726,863,065.20-291,083,613.60

Finding the Fourth Proportional to 484,575,376.80, 726,863,065.20 and 291,083,613.60

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Solution

The fourth proportional to 484,575,376.80, 726,863,065.20 and 291,083,613.60 is: 436,625,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,575,376.80 : 726,863,065.20 = 291,083,613.60 : x
  2. Step 2: Convert to fraction form
    484,575,376.80/726,863,065.20 = 291,083,613.60/x
  3. Step 3: Cross multiply
    484,575,376.80x = 726,863,065.20 × 291,083,613.60
  4. Step 4: Simplify right side
    484,575,376.80x = 211,577,927,610,788,448
  5. Step 5: Solve for x
    x = 211,577,927,610,788,448/484,575,376.80
  6. Step 6: Final answer
    x = 436,625,420.40

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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.