Home / 998,390,007.63-1,377,767,995.16-552,356,563.10

Finding the Fourth Proportional to 998,390,007.63, 1,377,767,995.16 and 552,356,563.10

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Solution

The fourth proportional to 998,390,007.63, 1,377,767,995.16 and 552,356,563.10 is: 762,246,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,390,007.63 : 1,377,767,995.16 = 552,356,563.10 : x
  2. Step 2: Convert to fraction form
    998,390,007.63/1,377,767,995.16 = 552,356,563.10/x
  3. Step 3: Cross multiply
    998,390,007.63x = 1,377,767,995.16 × 552,356,563.10
  4. Step 4: Simplify right side
    998,390,007.63x = 761,019,194,546,159,488
  5. Step 5: Solve for x
    x = 761,019,194,546,159,488/998,390,007.63
  6. Step 6: Final answer
    x = 762,246,405.44

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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.