Home / 476,957,483.10-715,436,224.65-442,520,106.30

Finding the Fourth Proportional to 476,957,483.10, 715,436,224.65 and 442,520,106.30

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Solution

The fourth proportional to 476,957,483.10, 715,436,224.65 and 442,520,106.30 is: 663,780,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,957,483.10 : 715,436,224.65 = 442,520,106.30 : x
  2. Step 2: Convert to fraction form
    476,957,483.10/715,436,224.65 = 442,520,106.30/x
  3. Step 3: Cross multiply
    476,957,483.10x = 715,436,224.65 × 442,520,106.30
  4. Step 4: Simplify right side
    476,957,483.10x = 316,594,914,182,988,672
  5. Step 5: Solve for x
    x = 316,594,914,182,988,672/476,957,483.10
  6. Step 6: Final answer
    x = 663,780,159.45

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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.