Home / 743,145,209.70-1,114,717,814.55-498,257,196.90

Finding the Fourth Proportional to 743,145,209.70, 1,114,717,814.55 and 498,257,196.90

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Solution

The fourth proportional to 743,145,209.70, 1,114,717,814.55 and 498,257,196.90 is: 747,385,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,145,209.70 : 1,114,717,814.55 = 498,257,196.90 : x
  2. Step 2: Convert to fraction form
    743,145,209.70/1,114,717,814.55 = 498,257,196.90/x
  3. Step 3: Cross multiply
    743,145,209.70x = 1,114,717,814.55 × 498,257,196.90
  4. Step 4: Simplify right side
    743,145,209.70x = 555,416,173,612,176,960
  5. Step 5: Solve for x
    x = 555,416,173,612,176,960/743,145,209.70
  6. Step 6: Final answer
    x = 747,385,795.35

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Double scale
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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.