Home / 1,810,768,868.28-2,717,207,442.90-761,431,221.72

Finding the Fourth Proportional to 1,810,768,868.28, 2,717,207,442.90 and 761,431,221.72

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Solution

The fourth proportional to 1,810,768,868.28, 2,717,207,442.90 and 761,431,221.72 is: 1,142,590,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,768,868.28 : 2,717,207,442.90 = 761,431,221.72 : x
  2. Step 2: Convert to fraction form
    1,810,768,868.28/2,717,207,442.90 = 761,431,221.72/x
  3. Step 3: Cross multiply
    1,810,768,868.28x = 2,717,207,442.90 × 761,431,221.72
  4. Step 4: Simplify right side
    1,810,768,868.28x = 2,068,966,582,914,024,192
  5. Step 5: Solve for x
    x = 2,068,966,582,914,024,192/1,810,768,868.28
  6. Step 6: Final answer
    x = 1,142,590,100.35

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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.