Home / 765,751,539.40-1,148,627,309.10-748,745,427.40

Finding the Fourth Proportional to 765,751,539.40, 1,148,627,309.10 and 748,745,427.40

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Solution

The fourth proportional to 765,751,539.40, 1,148,627,309.10 and 748,745,427.40 is: 1,123,118,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,751,539.40 : 1,148,627,309.10 = 748,745,427.40 : x
  2. Step 2: Convert to fraction form
    765,751,539.40/1,148,627,309.10 = 748,745,427.40/x
  3. Step 3: Cross multiply
    765,751,539.40x = 1,148,627,309.10 × 748,745,427.40
  4. Step 4: Simplify right side
    765,751,539.40x = 860,029,445,475,391,360
  5. Step 5: Solve for x
    x = 860,029,445,475,391,360/765,751,539.40
  6. Step 6: Final answer
    x = 1,123,118,141.10

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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.