Home / 1,915,440,666.20-2,643,306,950.19-1,035,374,370.20

Finding the Fourth Proportional to 1,915,440,666.20, 2,643,306,950.19 and 1,035,374,370.20

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Solution

The fourth proportional to 1,915,440,666.20, 2,643,306,950.19 and 1,035,374,370.20 is: 1,428,815,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,440,666.20 : 2,643,306,950.19 = 1,035,374,370.20 : x
  2. Step 2: Convert to fraction form
    1,915,440,666.20/2,643,306,950.19 = 1,035,374,370.20/x
  3. Step 3: Cross multiply
    1,915,440,666.20x = 2,643,306,950.19 × 1,035,374,370.20
  4. Step 4: Simplify right side
    1,915,440,666.20x = 2,736,812,268,779,860,480
  5. Step 5: Solve for x
    x = 2,736,812,268,779,860,480/1,915,440,666.20
  6. Step 6: Final answer
    x = 1,428,815,998.89

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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.