Home / 406,258,780.11-609,196,070.40-157,380,605.24

Finding the Fourth Proportional to 406,258,780.11, 609,196,070.40 and 157,380,605.24

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Solution

The fourth proportional to 406,258,780.11, 609,196,070.40 and 157,380,605.24 is: 235,996,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,258,780.11 : 609,196,070.40 = 157,380,605.24 : x
  2. Step 2: Convert to fraction form
    406,258,780.11/609,196,070.40 = 157,380,605.24/x
  3. Step 3: Cross multiply
    406,258,780.11x = 609,196,070.40 × 157,380,605.24
  4. Step 4: Simplify right side
    406,258,780.11x = 95,875,646,267,488,576
  5. Step 5: Solve for x
    x = 95,875,646,267,488,576/406,258,780.11
  6. Step 6: Final answer
    x = 235,996,490.32

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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.