Home / 992,443,278.80-1,488,664,567.80-265,413,095.12

Finding the Fourth Proportional to 992,443,278.80, 1,488,664,567.80 and 265,413,095.12

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Solution

The fourth proportional to 992,443,278.80, 1,488,664,567.80 and 265,413,095.12 is: 398,119,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,443,278.80 : 1,488,664,567.80 = 265,413,095.12 : x
  2. Step 2: Convert to fraction form
    992,443,278.80/1,488,664,567.80 = 265,413,095.12/x
  3. Step 3: Cross multiply
    992,443,278.80x = 1,488,664,567.80 × 265,413,095.12
  4. Step 4: Simplify right side
    992,443,278.80x = 395,111,070,535,275,072
  5. Step 5: Solve for x
    x = 395,111,070,535,275,072/992,443,278.80
  6. Step 6: Final answer
    x = 398,119,548.97

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Double scale
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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.