Home / 538,159,165.60-807,238,748.40-292,633,423.60

Finding the Fourth Proportional to 538,159,165.60, 807,238,748.40 and 292,633,423.60

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Solution

The fourth proportional to 538,159,165.60, 807,238,748.40 and 292,633,423.60 is: 438,950,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,159,165.60 : 807,238,748.40 = 292,633,423.60 : x
  2. Step 2: Convert to fraction form
    538,159,165.60/807,238,748.40 = 292,633,423.60/x
  3. Step 3: Cross multiply
    538,159,165.60x = 807,238,748.40 × 292,633,423.60
  4. Step 4: Simplify right side
    538,159,165.60x = 236,225,038,606,871,040
  5. Step 5: Solve for x
    x = 236,225,038,606,871,040/538,159,165.60
  6. Step 6: Final answer
    x = 438,950,135.40

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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.