Home / 656,257,607.20-984,386,410.80-549,558,445.60

Finding the Fourth Proportional to 656,257,607.20, 984,386,410.80 and 549,558,445.60

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Solution

The fourth proportional to 656,257,607.20, 984,386,410.80 and 549,558,445.60 is: 824,337,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,257,607.20 : 984,386,410.80 = 549,558,445.60 : x
  2. Step 2: Convert to fraction form
    656,257,607.20/984,386,410.80 = 549,558,445.60/x
  3. Step 3: Cross multiply
    656,257,607.20x = 984,386,410.80 × 549,558,445.60
  4. Step 4: Simplify right side
    656,257,607.20x = 540,977,865,789,011,072
  5. Step 5: Solve for x
    x = 540,977,865,789,011,072/656,257,607.20
  6. Step 6: Final answer
    x = 824,337,668.40

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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.