Home / 646,812,000.60-970,218,000.90-493,756,992.60

Finding the Fourth Proportional to 646,812,000.60, 970,218,000.90 and 493,756,992.60

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Solution

The fourth proportional to 646,812,000.60, 970,218,000.90 and 493,756,992.60 is: 740,635,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,812,000.60 : 970,218,000.90 = 493,756,992.60 : x
  2. Step 2: Convert to fraction form
    646,812,000.60/970,218,000.90 = 493,756,992.60/x
  3. Step 3: Cross multiply
    646,812,000.60x = 970,218,000.90 × 493,756,992.60
  4. Step 4: Simplify right side
    646,812,000.60x = 479,051,922,290,768,128
  5. Step 5: Solve for x
    x = 479,051,922,290,768,128/646,812,000.60
  6. Step 6: Final answer
    x = 740,635,488.90

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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.