Home / 7,538,408,702.86-10,402,668,439.59-4,321,012,135.18

Finding the Fourth Proportional to 7,538,408,702.86, 10,402,668,439.59 and 4,321,012,135.18

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Solution

The fourth proportional to 7,538,408,702.86, 10,402,668,439.59 and 4,321,012,135.18 is: 5,962,804,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538,408,702.86 : 10,402,668,439.59 = 4,321,012,135.18 : x
  2. Step 2: Convert to fraction form
    7,538,408,702.86/10,402,668,439.59 = 4,321,012,135.18/x
  3. Step 3: Cross multiply
    7,538,408,702.86x = 10,402,668,439.59 × 4,321,012,135.18
  4. Step 4: Simplify right side
    7,538,408,702.86x = 44,950,056,565,722,390,528
  5. Step 5: Solve for x
    x = 44,950,056,565,722,390,528/7,538,408,702.86
  6. Step 6: Final answer
    x = 5,962,804,397.79

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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.