Home / 2,971,357,345.80-4,446,454,437.90-2,587,397,128.20

Finding the Fourth Proportional to 2,971,357,345.80, 4,446,454,437.90 and 2,587,397,128.20

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Solution

The fourth proportional to 2,971,357,345.80, 4,446,454,437.90 and 2,587,397,128.20 is: 3,871,881,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,357,345.80 : 4,446,454,437.90 = 2,587,397,128.20 : x
  2. Step 2: Convert to fraction form
    2,971,357,345.80/4,446,454,437.90 = 2,587,397,128.20/x
  3. Step 3: Cross multiply
    2,971,357,345.80x = 4,446,454,437.90 × 2,587,397,128.20
  4. Step 4: Simplify right side
    2,971,357,345.80x = 11,504,743,443,294,603,264
  5. Step 5: Solve for x
    x = 11,504,743,443,294,603,264/2,971,357,345.80
  6. Step 6: Final answer
    x = 3,871,881,468.43

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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.