Home / 970,011,247.40-1,455,016,871.10-478,959,763.40

Finding the Fourth Proportional to 970,011,247.40, 1,455,016,871.10 and 478,959,763.40

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Solution

The fourth proportional to 970,011,247.40, 1,455,016,871.10 and 478,959,763.40 is: 718,439,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,011,247.40 : 1,455,016,871.10 = 478,959,763.40 : x
  2. Step 2: Convert to fraction form
    970,011,247.40/1,455,016,871.10 = 478,959,763.40/x
  3. Step 3: Cross multiply
    970,011,247.40x = 1,455,016,871.10 × 478,959,763.40
  4. Step 4: Simplify right side
    970,011,247.40x = 696,894,536,325,064,192
  5. Step 5: Solve for x
    x = 696,894,536,325,064,192/970,011,247.40
  6. Step 6: Final answer
    x = 718,439,645.10

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Double scale
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Similar ratio
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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.