Home / 430,175,248.06-645,260,743.10-371,705,000.54

Finding the Fourth Proportional to 430,175,248.06, 645,260,743.10 and 371,705,000.54

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Solution

The fourth proportional to 430,175,248.06, 645,260,743.10 and 371,705,000.54 is: 557,555,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,175,248.06 : 645,260,743.10 = 371,705,000.54 : x
  2. Step 2: Convert to fraction form
    430,175,248.06/645,260,743.10 = 371,705,000.54/x
  3. Step 3: Cross multiply
    430,175,248.06x = 645,260,743.10 × 371,705,000.54
  4. Step 4: Simplify right side
    430,175,248.06x = 239,846,644,860,526,112
  5. Step 5: Solve for x
    x = 239,846,644,860,526,112/430,175,248.06
  6. Step 6: Final answer
    x = 557,555,661.19

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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.