Home / 985,608,203.40-1,478,412,305.10-597,868,849.80

Finding the Fourth Proportional to 985,608,203.40, 1,478,412,305.10 and 597,868,849.80

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Solution

The fourth proportional to 985,608,203.40, 1,478,412,305.10 and 597,868,849.80 is: 896,803,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,608,203.40 : 1,478,412,305.10 = 597,868,849.80 : x
  2. Step 2: Convert to fraction form
    985,608,203.40/1,478,412,305.10 = 597,868,849.80/x
  3. Step 3: Cross multiply
    985,608,203.40x = 1,478,412,305.10 × 597,868,849.80
  4. Step 4: Simplify right side
    985,608,203.40x = 883,896,664,380,303,488
  5. Step 5: Solve for x
    x = 883,896,664,380,303,488/985,608,203.40
  6. Step 6: Final answer
    x = 896,803,274.70

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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.