Home / 1,391,443,607,723.60-2,087,467,349,868.20-423,326,888,178.23

Finding the Fourth Proportional to 1,391,443,607,723.60, 2,087,467,349,868.20 and 423,326,888,178.23

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Solution

The fourth proportional to 1,391,443,607,723.60, 2,087,467,349,868.20 and 423,326,888,178.23 is: 635,082,192,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,443,607,723.60 : 2,087,467,349,868.20 = 423,326,888,178.23 : x
  2. Step 2: Convert to fraction form
    1,391,443,607,723.60/2,087,467,349,868.20 = 423,326,888,178.23/x
  3. Step 3: Cross multiply
    1,391,443,607,723.60x = 2,087,467,349,868.20 × 423,326,888,178.23
  4. Step 4: Simplify right side
    1,391,443,607,723.60x = 883,681,057,393,361,507,319,808
  5. Step 5: Solve for x
    x = 883,681,057,393,361,507,319,808/1,391,443,607,723.60
  6. Step 6: Final answer
    x = 635,082,192,686.96

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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.