Home / 713,990,728.40-1,070,986,092.60-496,312,494.80

Finding the Fourth Proportional to 713,990,728.40, 1,070,986,092.60 and 496,312,494.80

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Solution

The fourth proportional to 713,990,728.40, 1,070,986,092.60 and 496,312,494.80 is: 744,468,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,990,728.40 : 1,070,986,092.60 = 496,312,494.80 : x
  2. Step 2: Convert to fraction form
    713,990,728.40/1,070,986,092.60 = 496,312,494.80/x
  3. Step 3: Cross multiply
    713,990,728.40x = 1,070,986,092.60 × 496,312,494.80
  4. Step 4: Simplify right side
    713,990,728.40x = 531,543,779,514,409,856
  5. Step 5: Solve for x
    x = 531,543,779,514,409,856/713,990,728.40
  6. Step 6: Final answer
    x = 744,468,742.20

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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.