Home / 1,347,002,442.90-2,021,637,405.15-657,499,079.70

Finding the Fourth Proportional to 1,347,002,442.90, 2,021,637,405.15 and 657,499,079.70

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Solution

The fourth proportional to 1,347,002,442.90, 2,021,637,405.15 and 657,499,079.70 is: 986,802,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,002,442.90 : 2,021,637,405.15 = 657,499,079.70 : x
  2. Step 2: Convert to fraction form
    1,347,002,442.90/2,021,637,405.15 = 657,499,079.70/x
  3. Step 3: Cross multiply
    1,347,002,442.90x = 2,021,637,405.15 × 657,499,079.70
  4. Step 4: Simplify right side
    1,347,002,442.90x = 1,329,224,733,373,221,120
  5. Step 5: Solve for x
    x = 1,329,224,733,373,221,120/1,347,002,442.90
  6. Step 6: Final answer
    x = 986,802,021.32

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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.