Home / 1,948,627,779.70-2,922,941,669.55-915,506,475.70

Finding the Fourth Proportional to 1,948,627,779.70, 2,922,941,669.55 and 915,506,475.70

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Solution

The fourth proportional to 1,948,627,779.70, 2,922,941,669.55 and 915,506,475.70 is: 1,373,259,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,627,779.70 : 2,922,941,669.55 = 915,506,475.70 : x
  2. Step 2: Convert to fraction form
    1,948,627,779.70/2,922,941,669.55 = 915,506,475.70/x
  3. Step 3: Cross multiply
    1,948,627,779.70x = 2,922,941,669.55 × 915,506,475.70
  4. Step 4: Simplify right side
    1,948,627,779.70x = 2,675,972,026,566,394,880
  5. Step 5: Solve for x
    x = 2,675,972,026,566,394,880/1,948,627,779.70
  6. Step 6: Final answer
    x = 1,373,259,713.55

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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.