Home / 1,827,048,931.36-2,521,260,011.61-991,655,565.82

Finding the Fourth Proportional to 1,827,048,931.36, 2,521,260,011.61 and 991,655,565.82

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Solution

The fourth proportional to 1,827,048,931.36, 2,521,260,011.61 and 991,655,565.82 is: 1,368,448,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,048,931.36 : 2,521,260,011.61 = 991,655,565.82 : x
  2. Step 2: Convert to fraction form
    1,827,048,931.36/2,521,260,011.61 = 991,655,565.82/x
  3. Step 3: Cross multiply
    1,827,048,931.36x = 2,521,260,011.61 × 991,655,565.82
  4. Step 4: Simplify right side
    1,827,048,931.36x = 2,500,221,523,392,454,656
  5. Step 5: Solve for x
    x = 2,500,221,523,392,454,656/1,827,048,931.36
  6. Step 6: Final answer
    x = 1,368,448,036.87

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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.