Home / 514,991,184.08-710,666,200.64-291,987,867.92

Finding the Fourth Proportional to 514,991,184.08, 710,666,200.64 and 291,987,867.92

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Solution

The fourth proportional to 514,991,184.08, 710,666,200.64 and 291,987,867.92 is: 402,930,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,991,184.08 : 710,666,200.64 = 291,987,867.92 : x
  2. Step 2: Convert to fraction form
    514,991,184.08/710,666,200.64 = 291,987,867.92/x
  3. Step 3: Cross multiply
    514,991,184.08x = 710,666,200.64 × 291,987,867.92
  4. Step 4: Simplify right side
    514,991,184.08x = 207,505,908,727,680,544
  5. Step 5: Solve for x
    x = 207,505,908,727,680,544/514,991,184.08
  6. Step 6: Final answer
    x = 402,930,992.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.