Home / 985,608,374.40-1,478,412,561.60-597,869,020.80

Finding the Fourth Proportional to 985,608,374.40, 1,478,412,561.60 and 597,869,020.80

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Solution

The fourth proportional to 985,608,374.40, 1,478,412,561.60 and 597,869,020.80 is: 896,803,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,608,374.40 : 1,478,412,561.60 = 597,869,020.80 : x
  2. Step 2: Convert to fraction form
    985,608,374.40/1,478,412,561.60 = 597,869,020.80/x
  3. Step 3: Cross multiply
    985,608,374.40x = 1,478,412,561.60 × 597,869,020.80
  4. Step 4: Simplify right side
    985,608,374.40x = 883,897,070,542,211,584
  5. Step 5: Solve for x
    x = 883,897,070,542,211,584/985,608,374.40
  6. Step 6: Final answer
    x = 896,803,531.20

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Double scale
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Similar ratio
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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.