Home / 1,948,627,779.20-2,922,941,668.80-915,506,475.20

Finding the Fourth Proportional to 1,948,627,779.20, 2,922,941,668.80 and 915,506,475.20

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Solution

The fourth proportional to 1,948,627,779.20, 2,922,941,668.80 and 915,506,475.20 is: 1,373,259,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,627,779.20 : 2,922,941,668.80 = 915,506,475.20 : x
  2. Step 2: Convert to fraction form
    1,948,627,779.20/2,922,941,668.80 = 915,506,475.20/x
  3. Step 3: Cross multiply
    1,948,627,779.20x = 2,922,941,668.80 × 915,506,475.20
  4. Step 4: Simplify right side
    1,948,627,779.20x = 2,675,972,024,418,294,272
  5. Step 5: Solve for x
    x = 2,675,972,024,418,294,272/1,948,627,779.20
  6. Step 6: Final answer
    x = 1,373,259,712.80

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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.