Home / 1,513,434,569.76-2,088,538,782.48-818,073,545.76

Finding the Fourth Proportional to 1,513,434,569.76, 2,088,538,782.48 and 818,073,545.76

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Solution

The fourth proportional to 1,513,434,569.76, 2,088,538,782.48 and 818,073,545.76 is: 1,128,940,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,434,569.76 : 2,088,538,782.48 = 818,073,545.76 : x
  2. Step 2: Convert to fraction form
    1,513,434,569.76/2,088,538,782.48 = 818,073,545.76/x
  3. Step 3: Cross multiply
    1,513,434,569.76x = 2,088,538,782.48 × 818,073,545.76
  4. Step 4: Simplify right side
    1,513,434,569.76x = 1,708,578,327,240,686,848
  5. Step 5: Solve for x
    x = 1,708,578,327,240,686,848/1,513,434,569.76
  6. Step 6: Final answer
    x = 1,128,940,993.80

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1.5x scale

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.