Home / 1,316,304,295.80-1,974,456,443.70-442,615,291.80

Finding the Fourth Proportional to 1,316,304,295.80, 1,974,456,443.70 and 442,615,291.80

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Solution

The fourth proportional to 1,316,304,295.80, 1,974,456,443.70 and 442,615,291.80 is: 663,922,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,304,295.80 : 1,974,456,443.70 = 442,615,291.80 : x
  2. Step 2: Convert to fraction form
    1,316,304,295.80/1,974,456,443.70 = 442,615,291.80/x
  3. Step 3: Cross multiply
    1,316,304,295.80x = 1,974,456,443.70 × 442,615,291.80
  4. Step 4: Simplify right side
    1,316,304,295.80x = 873,924,614,974,665,856
  5. Step 5: Solve for x
    x = 873,924,614,974,665,856/1,316,304,295.80
  6. Step 6: Final answer
    x = 663,922,937.70

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Half scale
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Double scale
Find fourth proportional to 1,316,304,296.80, 1,974,456,445.20 and 442,615,292.80
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.