Home / 724,142,110.20-1,086,213,165.30-264,095,287.80

Finding the Fourth Proportional to 724,142,110.20, 1,086,213,165.30 and 264,095,287.80

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Solution

The fourth proportional to 724,142,110.20, 1,086,213,165.30 and 264,095,287.80 is: 396,142,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,142,110.20 : 1,086,213,165.30 = 264,095,287.80 : x
  2. Step 2: Convert to fraction form
    724,142,110.20/1,086,213,165.30 = 264,095,287.80/x
  3. Step 3: Cross multiply
    724,142,110.20x = 1,086,213,165.30 × 264,095,287.80
  4. Step 4: Simplify right side
    724,142,110.20x = 286,863,778,502,052,480
  5. Step 5: Solve for x
    x = 286,863,778,502,052,480/724,142,110.20
  6. Step 6: Final answer
    x = 396,142,931.70

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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.