Home / 898,403,428.80-1,347,605,143.20-414,674,020.80

Finding the Fourth Proportional to 898,403,428.80, 1,347,605,143.20 and 414,674,020.80

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Solution

The fourth proportional to 898,403,428.80, 1,347,605,143.20 and 414,674,020.80 is: 622,011,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,403,428.80 : 1,347,605,143.20 = 414,674,020.80 : x
  2. Step 2: Convert to fraction form
    898,403,428.80/1,347,605,143.20 = 414,674,020.80/x
  3. Step 3: Cross multiply
    898,403,428.80x = 1,347,605,143.20 × 414,674,020.80
  4. Step 4: Simplify right side
    898,403,428.80x = 558,816,843,181,503,808
  5. Step 5: Solve for x
    x = 558,816,843,181,503,808/898,403,428.80
  6. Step 6: Final answer
    x = 622,011,031.20

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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.