Home / 1,426,702,992.40-2,138,038,949.40-1,055,339,894.80

Finding the Fourth Proportional to 1,426,702,992.40, 2,138,038,949.40 and 1,055,339,894.80

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Solution

The fourth proportional to 1,426,702,992.40, 2,138,038,949.40 and 1,055,339,894.80 is: 1,581,518,936.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,702,992.40 : 2,138,038,949.40 = 1,055,339,894.80 : x
  2. Step 2: Convert to fraction form
    1,426,702,992.40/2,138,038,949.40 = 1,055,339,894.80/x
  3. Step 3: Cross multiply
    1,426,702,992.40x = 2,138,038,949.40 × 1,055,339,894.80
  4. Step 4: Simplify right side
    1,426,702,992.40x = 2,256,357,799,938,098,432
  5. Step 5: Solve for x
    x = 2,256,357,799,938,098,432/1,426,702,992.40
  6. Step 6: Final answer
    x = 1,581,518,936.99

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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.