Home / 3,557,549,565.90-4,909,418,866.35-1,971,743,906.70

Finding the Fourth Proportional to 3,557,549,565.90, 4,909,418,866.35 and 1,971,743,906.70

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Solution

The fourth proportional to 3,557,549,565.90, 4,909,418,866.35 and 1,971,743,906.70 is: 2,721,006,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,549,565.90 : 4,909,418,866.35 = 1,971,743,906.70 : x
  2. Step 2: Convert to fraction form
    3,557,549,565.90/4,909,418,866.35 = 1,971,743,906.70/x
  3. Step 3: Cross multiply
    3,557,549,565.90x = 4,909,418,866.35 × 1,971,743,906.70
  4. Step 4: Simplify right side
    3,557,549,565.90x = 9,680,116,735,163,635,712
  5. Step 5: Solve for x
    x = 9,680,116,735,163,635,712/3,557,549,565.90
  6. Step 6: Final answer
    x = 2,721,006,849.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.