Home / 612,134,487.20-918,201,730.80-588,325,930.40

Finding the Fourth Proportional to 612,134,487.20, 918,201,730.80 and 588,325,930.40

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Solution

The fourth proportional to 612,134,487.20, 918,201,730.80 and 588,325,930.40 is: 882,488,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,134,487.20 : 918,201,730.80 = 588,325,930.40 : x
  2. Step 2: Convert to fraction form
    612,134,487.20/918,201,730.80 = 588,325,930.40/x
  3. Step 3: Cross multiply
    612,134,487.20x = 918,201,730.80 × 588,325,930.40
  4. Step 4: Simplify right side
    612,134,487.20x = 540,201,887,567,800,256
  5. Step 5: Solve for x
    x = 540,201,887,567,800,256/612,134,487.20
  6. Step 6: Final answer
    x = 882,488,895.60

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1.5x scale

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.