Home / 485,017,501.45-727,515,747.93-135,254,236.93

Finding the Fourth Proportional to 485,017,501.45, 727,515,747.93 and 135,254,236.93

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Solution

The fourth proportional to 485,017,501.45, 727,515,747.93 and 135,254,236.93 is: 202,878,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,017,501.45 : 727,515,747.93 = 135,254,236.93 : x
  2. Step 2: Convert to fraction form
    485,017,501.45/727,515,747.93 = 135,254,236.93/x
  3. Step 3: Cross multiply
    485,017,501.45x = 727,515,747.93 × 135,254,236.93
  4. Step 4: Simplify right side
    485,017,501.45x = 98,399,587,340,830,368
  5. Step 5: Solve for x
    x = 98,399,587,340,830,368/485,017,501.45
  6. Step 6: Final answer
    x = 202,878,426.13

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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.