Home / 991,153,014.60-1,485,390,250.49-377,402,432.52

Finding the Fourth Proportional to 991,153,014.60, 1,485,390,250.49 and 377,402,432.52

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Solution

The fourth proportional to 991,153,014.60, 1,485,390,250.49 and 377,402,432.52 is: 565,593,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,153,014.60 : 1,485,390,250.49 = 377,402,432.52 : x
  2. Step 2: Convert to fraction form
    991,153,014.60/1,485,390,250.49 = 377,402,432.52/x
  3. Step 3: Cross multiply
    991,153,014.60x = 1,485,390,250.49 × 377,402,432.52
  4. Step 4: Simplify right side
    991,153,014.60x = 560,589,893,774,531,072
  5. Step 5: Solve for x
    x = 560,589,893,774,531,072/991,153,014.60
  6. Step 6: Final answer
    x = 565,593,692.92

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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.