Home / 485,095,386.30-727,643,079.45-242,670,810.30

Finding the Fourth Proportional to 485,095,386.30, 727,643,079.45 and 242,670,810.30

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Solution

The fourth proportional to 485,095,386.30, 727,643,079.45 and 242,670,810.30 is: 364,006,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,095,386.30 : 727,643,079.45 = 242,670,810.30 : x
  2. Step 2: Convert to fraction form
    485,095,386.30/727,643,079.45 = 242,670,810.30/x
  3. Step 3: Cross multiply
    485,095,386.30x = 727,643,079.45 × 242,670,810.30
  4. Step 4: Simplify right side
    485,095,386.30x = 176,577,735,699,318,784
  5. Step 5: Solve for x
    x = 176,577,735,699,318,784/485,095,386.30
  6. Step 6: Final answer
    x = 364,006,215.45

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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.