Home / 581,730,729.32-872,531,635.87-208,223,697.85

Finding the Fourth Proportional to 581,730,729.32, 872,531,635.87 and 208,223,697.85

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Solution

The fourth proportional to 581,730,729.32, 872,531,635.87 and 208,223,697.85 is: 312,312,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,730,729.32 : 872,531,635.87 = 208,223,697.85 : x
  2. Step 2: Convert to fraction form
    581,730,729.32/872,531,635.87 = 208,223,697.85/x
  3. Step 3: Cross multiply
    581,730,729.32x = 872,531,635.87 × 208,223,697.85
  4. Step 4: Simplify right side
    581,730,729.32x = 181,681,763,709,259,200
  5. Step 5: Solve for x
    x = 181,681,763,709,259,200/581,730,729.32
  6. Step 6: Final answer
    x = 312,312,474.74

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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.