Home / 898,704,990.60-1,348,057,485.90-438,406,225.80

Finding the Fourth Proportional to 898,704,990.60, 1,348,057,485.90 and 438,406,225.80

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Solution

The fourth proportional to 898,704,990.60, 1,348,057,485.90 and 438,406,225.80 is: 657,609,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,704,990.60 : 1,348,057,485.90 = 438,406,225.80 : x
  2. Step 2: Convert to fraction form
    898,704,990.60/1,348,057,485.90 = 438,406,225.80/x
  3. Step 3: Cross multiply
    898,704,990.60x = 1,348,057,485.90 × 438,406,225.80
  4. Step 4: Simplify right side
    898,704,990.60x = 590,996,794,554,855,808
  5. Step 5: Solve for x
    x = 590,996,794,554,855,808/898,704,990.60
  6. Step 6: Final answer
    x = 657,609,338.70

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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.