Home / 1,378,955,233.30-2,068,432,849.95-458,924,574.10

Finding the Fourth Proportional to 1,378,955,233.30, 2,068,432,849.95 and 458,924,574.10

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Solution

The fourth proportional to 1,378,955,233.30, 2,068,432,849.95 and 458,924,574.10 is: 688,386,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,955,233.30 : 2,068,432,849.95 = 458,924,574.10 : x
  2. Step 2: Convert to fraction form
    1,378,955,233.30/2,068,432,849.95 = 458,924,574.10/x
  3. Step 3: Cross multiply
    1,378,955,233.30x = 2,068,432,849.95 × 458,924,574.10
  4. Step 4: Simplify right side
    1,378,955,233.30x = 949,254,664,717,753,088
  5. Step 5: Solve for x
    x = 949,254,664,717,753,088/1,378,955,233.30
  6. Step 6: Final answer
    x = 688,386,861.15

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Double scale
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Similar ratio
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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.