Home / 712,404,009.40-1,068,606,014.10-550,961,807.80

Finding the Fourth Proportional to 712,404,009.40, 1,068,606,014.10 and 550,961,807.80

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Solution

The fourth proportional to 712,404,009.40, 1,068,606,014.10 and 550,961,807.80 is: 826,442,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,404,009.40 : 1,068,606,014.10 = 550,961,807.80 : x
  2. Step 2: Convert to fraction form
    712,404,009.40/1,068,606,014.10 = 550,961,807.80/x
  3. Step 3: Cross multiply
    712,404,009.40x = 1,068,606,014.10 × 550,961,807.80
  4. Step 4: Simplify right side
    712,404,009.40x = 588,761,101,354,488,192
  5. Step 5: Solve for x
    x = 588,761,101,354,488,192/712,404,009.40
  6. Step 6: Final answer
    x = 826,442,711.70

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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.