Home / 713,990,726.40-1,070,986,089.60-496,312,492.80

Finding the Fourth Proportional to 713,990,726.40, 1,070,986,089.60 and 496,312,492.80

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Solution

The fourth proportional to 713,990,726.40, 1,070,986,089.60 and 496,312,492.80 is: 744,468,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,990,726.40 : 1,070,986,089.60 = 496,312,492.80 : x
  2. Step 2: Convert to fraction form
    713,990,726.40/1,070,986,089.60 = 496,312,492.80/x
  3. Step 3: Cross multiply
    713,990,726.40x = 1,070,986,089.60 × 496,312,492.80
  4. Step 4: Simplify right side
    713,990,726.40x = 531,543,775,883,500,160
  5. Step 5: Solve for x
    x = 531,543,775,883,500,160/713,990,726.40
  6. Step 6: Final answer
    x = 744,468,739.20

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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.