Home / 1,426,702,999.40-2,138,038,959.90-1,055,339,901.80

Finding the Fourth Proportional to 1,426,702,999.40, 2,138,038,959.90 and 1,055,339,901.80

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Solution

The fourth proportional to 1,426,702,999.40, 2,138,038,959.90 and 1,055,339,901.80 is: 1,581,518,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,702,999.40 : 2,138,038,959.90 = 1,055,339,901.80 : x
  2. Step 2: Convert to fraction form
    1,426,702,999.40/2,138,038,959.90 = 1,055,339,901.80/x
  3. Step 3: Cross multiply
    1,426,702,999.40x = 2,138,038,959.90 × 1,055,339,901.80
  4. Step 4: Simplify right side
    1,426,702,999.40x = 2,256,357,825,985,440,256
  5. Step 5: Solve for x
    x = 2,256,357,825,985,440,256/1,426,702,999.40
  6. Step 6: Final answer
    x = 1,581,518,947.49

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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.