Home / 1,931,471,124.40-2,897,206,686.60-477,448,548.40

Finding the Fourth Proportional to 1,931,471,124.40, 2,897,206,686.60 and 477,448,548.40

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Solution

The fourth proportional to 1,931,471,124.40, 2,897,206,686.60 and 477,448,548.40 is: 716,172,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,471,124.40 : 2,897,206,686.60 = 477,448,548.40 : x
  2. Step 2: Convert to fraction form
    1,931,471,124.40/2,897,206,686.60 = 477,448,548.40/x
  3. Step 3: Cross multiply
    1,931,471,124.40x = 2,897,206,686.60 × 477,448,548.40
  4. Step 4: Simplify right side
    1,931,471,124.40x = 1,383,267,126,931,943,680
  5. Step 5: Solve for x
    x = 1,383,267,126,931,943,680/1,931,471,124.40
  6. Step 6: Final answer
    x = 716,172,822.60

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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.