Home / 1,152,139,389.52-1,589,957,364.12-623,503,419.92

Finding the Fourth Proportional to 1,152,139,389.52, 1,589,957,364.12 and 623,503,419.92

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Solution

The fourth proportional to 1,152,139,389.52, 1,589,957,364.12 and 623,503,419.92 is: 860,437,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,139,389.52 : 1,589,957,364.12 = 623,503,419.92 : x
  2. Step 2: Convert to fraction form
    1,152,139,389.52/1,589,957,364.12 = 623,503,419.92/x
  3. Step 3: Cross multiply
    1,152,139,389.52x = 1,589,957,364.12 × 623,503,419.92
  4. Step 4: Simplify right side
    1,152,139,389.52x = 991,343,854,055,808,512
  5. Step 5: Solve for x
    x = 991,343,854,055,808,512/1,152,139,389.52
  6. Step 6: Final answer
    x = 860,437,428.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.