Home / 490,094,947.10-735,142,420.65-487,225,165.70

Finding the Fourth Proportional to 490,094,947.10, 735,142,420.65 and 487,225,165.70

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Solution

The fourth proportional to 490,094,947.10, 735,142,420.65 and 487,225,165.70 is: 730,837,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,094,947.10 : 735,142,420.65 = 487,225,165.70 : x
  2. Step 2: Convert to fraction form
    490,094,947.10/735,142,420.65 = 487,225,165.70/x
  3. Step 3: Cross multiply
    490,094,947.10x = 735,142,420.65 × 487,225,165.70
  4. Step 4: Simplify right side
    490,094,947.10x = 358,179,887,714,295,360
  5. Step 5: Solve for x
    x = 358,179,887,714,295,360/490,094,947.10
  6. Step 6: Final answer
    x = 730,837,748.55

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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.