Home / 749,073,409.60-1,123,610,114.40-676,513,998.40

Finding the Fourth Proportional to 749,073,409.60, 1,123,610,114.40 and 676,513,998.40

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Solution

The fourth proportional to 749,073,409.60, 1,123,610,114.40 and 676,513,998.40 is: 1,014,770,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,073,409.60 : 1,123,610,114.40 = 676,513,998.40 : x
  2. Step 2: Convert to fraction form
    749,073,409.60/1,123,610,114.40 = 676,513,998.40/x
  3. Step 3: Cross multiply
    749,073,409.60x = 1,123,610,114.40 × 676,513,998.40
  4. Step 4: Simplify right side
    749,073,409.60x = 760,137,971,135,425,408
  5. Step 5: Solve for x
    x = 760,137,971,135,425,408/749,073,409.60
  6. Step 6: Final answer
    x = 1,014,770,997.60

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1.5x scale

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.