Home / 1,663,893,723.52-2,298,565,077.28-1,328,926,461.12

Finding the Fourth Proportional to 1,663,893,723.52, 2,298,565,077.28 and 1,328,926,461.12

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Solution

The fourth proportional to 1,663,893,723.52, 2,298,565,077.28 and 1,328,926,461.12 is: 1,835,828,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,893,723.52 : 2,298,565,077.28 = 1,328,926,461.12 : x
  2. Step 2: Convert to fraction form
    1,663,893,723.52/2,298,565,077.28 = 1,328,926,461.12/x
  3. Step 3: Cross multiply
    1,663,893,723.52x = 2,298,565,077.28 × 1,328,926,461.12
  4. Step 4: Simplify right side
    1,663,893,723.52x = 3,054,623,953,803,729,920
  5. Step 5: Solve for x
    x = 3,054,623,953,803,729,920/1,663,893,723.52
  6. Step 6: Final answer
    x = 1,835,828,761.55

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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.