Home / 316,831,781,686.38-475,250,614,326.18-90,191,225,798.88

Finding the Fourth Proportional to 316,831,781,686.38, 475,250,614,326.18 and 90,191,225,798.88

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Solution

The fourth proportional to 316,831,781,686.38, 475,250,614,326.18 and 90,191,225,798.88 is: 135,287,676,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,831,781,686.38 : 475,250,614,326.18 = 90,191,225,798.88 : x
  2. Step 2: Convert to fraction form
    316,831,781,686.38/475,250,614,326.18 = 90,191,225,798.88/x
  3. Step 3: Cross multiply
    316,831,781,686.38x = 475,250,614,326.18 × 90,191,225,798.88
  4. Step 4: Simplify right side
    316,831,781,686.38x = 42,863,435,467,748,938,874,880
  5. Step 5: Solve for x
    x = 42,863,435,467,748,938,874,880/316,831,781,686.38
  6. Step 6: Final answer
    x = 135,287,676,127.70

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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.