Home / 12,367,892,301.40-18,551,838,452.10-6,470,172,659.80

Finding the Fourth Proportional to 12,367,892,301.40, 18,551,838,452.10 and 6,470,172,659.80

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Solution

The fourth proportional to 12,367,892,301.40, 18,551,838,452.10 and 6,470,172,659.80 is: 9,705,258,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367,892,301.40 : 18,551,838,452.10 = 6,470,172,659.80 : x
  2. Step 2: Convert to fraction form
    12,367,892,301.40/18,551,838,452.10 = 6,470,172,659.80/x
  3. Step 3: Cross multiply
    12,367,892,301.40x = 18,551,838,452.10 × 6,470,172,659.80
  4. Step 4: Simplify right side
    12,367,892,301.40x = 120,033,597,941,803,761,664
  5. Step 5: Solve for x
    x = 120,033,597,941,803,761,664/12,367,892,301.40
  6. Step 6: Final answer
    x = 9,705,258,989.70

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Double scale
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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.