Home / 897,798,903.40-1,347,706,124.70-694,229,444.20

Finding the Fourth Proportional to 897,798,903.40, 1,347,706,124.70 and 694,229,444.20

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Solution

The fourth proportional to 897,798,903.40, 1,347,706,124.70 and 694,229,444.20 is: 1,042,123,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,798,903.40 : 1,347,706,124.70 = 694,229,444.20 : x
  2. Step 2: Convert to fraction form
    897,798,903.40/1,347,706,124.70 = 694,229,444.20/x
  3. Step 3: Cross multiply
    897,798,903.40x = 1,347,706,124.70 × 694,229,444.20
  4. Step 4: Simplify right side
    897,798,903.40x = 935,617,273,895,416,960
  5. Step 5: Solve for x
    x = 935,617,273,895,416,960/897,798,903.40
  6. Step 6: Final answer
    x = 1,042,123,431.37

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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.