Home / 426,400,360.98-637,754,115.69-251,105,543.64

Finding the Fourth Proportional to 426,400,360.98, 637,754,115.69 and 251,105,543.64

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Solution

The fourth proportional to 426,400,360.98, 637,754,115.69 and 251,105,543.64 is: 375,570,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,400,360.98 : 637,754,115.69 = 251,105,543.64 : x
  2. Step 2: Convert to fraction form
    426,400,360.98/637,754,115.69 = 251,105,543.64/x
  3. Step 3: Cross multiply
    426,400,360.98x = 637,754,115.69 × 251,105,543.64
  4. Step 4: Simplify right side
    426,400,360.98x = 160,143,593,926,423,904
  5. Step 5: Solve for x
    x = 160,143,593,926,423,904/426,400,360.98
  6. Step 6: Final answer
    x = 375,570,962.36

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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.