Home / 998,124,791.18-1,377,319,774.82-552,078,554.72

Finding the Fourth Proportional to 998,124,791.18, 1,377,319,774.82 and 552,078,554.72

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Solution

The fourth proportional to 998,124,791.18, 1,377,319,774.82 and 552,078,554.72 is: 761,817,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,124,791.18 : 1,377,319,774.82 = 552,078,554.72 : x
  2. Step 2: Convert to fraction form
    998,124,791.18/1,377,319,774.82 = 552,078,554.72/x
  3. Step 3: Cross multiply
    998,124,791.18x = 1,377,319,774.82 × 552,078,554.72
  4. Step 4: Simplify right side
    998,124,791.18x = 760,388,710,669,901,440
  5. Step 5: Solve for x
    x = 760,388,710,669,901,440/998,124,791.18
  6. Step 6: Final answer
    x = 761,817,277.15

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Double scale
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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.