Home / 1,358,947,764.62-1,875,318,521.47-786,754,946.76

Finding the Fourth Proportional to 1,358,947,764.62, 1,875,318,521.47 and 786,754,946.76

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Solution

The fourth proportional to 1,358,947,764.62, 1,875,318,521.47 and 786,754,946.76 is: 1,085,704,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,947,764.62 : 1,875,318,521.47 = 786,754,946.76 : x
  2. Step 2: Convert to fraction form
    1,358,947,764.62/1,875,318,521.47 = 786,754,946.76/x
  3. Step 3: Cross multiply
    1,358,947,764.62x = 1,875,318,521.47 × 786,754,946.76
  4. Step 4: Simplify right side
    1,358,947,764.62x = 1,475,416,123,517,171,712
  5. Step 5: Solve for x
    x = 1,475,416,123,517,171,712/1,358,947,764.62
  6. Step 6: Final answer
    x = 1,085,704,809.21

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Half scale
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Double scale
Find fourth proportional to 1,358,947,765.62, 1,875,318,522.85 and 786,754,947.76
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1.5x scale

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.