Home / 485,094,006.30-727,641,009.45-242,669,430.30

Finding the Fourth Proportional to 485,094,006.30, 727,641,009.45 and 242,669,430.30

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Solution

The fourth proportional to 485,094,006.30, 727,641,009.45 and 242,669,430.30 is: 364,004,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,094,006.30 : 727,641,009.45 = 242,669,430.30 : x
  2. Step 2: Convert to fraction form
    485,094,006.30/727,641,009.45 = 242,669,430.30/x
  3. Step 3: Cross multiply
    485,094,006.30x = 727,641,009.45 × 242,669,430.30
  4. Step 4: Simplify right side
    485,094,006.30x = 176,576,229,226,148,448
  5. Step 5: Solve for x
    x = 176,576,229,226,148,448/485,094,006.30
  6. Step 6: Final answer
    x = 364,004,145.45

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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.