Home / 1,358,947,765.62-1,875,318,522.85-786,754,947.76

Finding the Fourth Proportional to 1,358,947,765.62, 1,875,318,522.85 and 786,754,947.76

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Solution

The fourth proportional to 1,358,947,765.62, 1,875,318,522.85 and 786,754,947.76 is: 1,085,704,810.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,947,765.62 : 1,875,318,522.85 = 786,754,947.76 : x
  2. Step 2: Convert to fraction form
    1,358,947,765.62/1,875,318,522.85 = 786,754,947.76/x
  3. Step 3: Cross multiply
    1,358,947,765.62x = 1,875,318,522.85 × 786,754,947.76
  4. Step 4: Simplify right side
    1,358,947,765.62x = 1,475,416,126,478,212,096
  5. Step 5: Solve for x
    x = 1,475,416,126,478,212,096/1,358,947,765.62
  6. Step 6: Final answer
    x = 1,085,704,810.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.