Home / 1,426,702,997.40-2,138,038,956.90-1,055,339,899.80

Finding the Fourth Proportional to 1,426,702,997.40, 2,138,038,956.90 and 1,055,339,899.80

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Solution

The fourth proportional to 1,426,702,997.40, 2,138,038,956.90 and 1,055,339,899.80 is: 1,581,518,944.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,702,997.40 : 2,138,038,956.90 = 1,055,339,899.80 : x
  2. Step 2: Convert to fraction form
    1,426,702,997.40/2,138,038,956.90 = 1,055,339,899.80/x
  3. Step 3: Cross multiply
    1,426,702,997.40x = 2,138,038,956.90 × 1,055,339,899.80
  4. Step 4: Simplify right side
    1,426,702,997.40x = 2,256,357,818,543,342,592
  5. Step 5: Solve for x
    x = 2,256,357,818,543,342,592/1,426,702,997.40
  6. Step 6: Final answer
    x = 1,581,518,944.49

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Double scale
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1.5x scale

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.