Home / 1,322,849,901.40-1,825,518,377.10-728,121,670.36

Finding the Fourth Proportional to 1,322,849,901.40, 1,825,518,377.10 and 728,121,670.36

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Solution

The fourth proportional to 1,322,849,901.40, 1,825,518,377.10 and 728,121,670.36 is: 1,004,799,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,849,901.40 : 1,825,518,377.10 = 728,121,670.36 : x
  2. Step 2: Convert to fraction form
    1,322,849,901.40/1,825,518,377.10 = 728,121,670.36/x
  3. Step 3: Cross multiply
    1,322,849,901.40x = 1,825,518,377.10 × 728,121,670.36
  4. Step 4: Simplify right side
    1,322,849,901.40x = 1,329,199,490,006,928,384
  5. Step 5: Solve for x
    x = 1,329,199,490,006,928,384/1,322,849,901.40
  6. Step 6: Final answer
    x = 1,004,799,931.27

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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.