Home / 992,819,031.98-1,370,073,549.84-546,823,928.78

Finding the Fourth Proportional to 992,819,031.98, 1,370,073,549.84 and 546,823,928.78

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Solution

The fourth proportional to 992,819,031.98, 1,370,073,549.84 and 546,823,928.78 is: 754,607,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,819,031.98 : 1,370,073,549.84 = 546,823,928.78 : x
  2. Step 2: Convert to fraction form
    992,819,031.98/1,370,073,549.84 = 546,823,928.78/x
  3. Step 3: Cross multiply
    992,819,031.98x = 1,370,073,549.84 × 546,823,928.78
  4. Step 4: Simplify right side
    992,819,031.98x = 749,189,001,241,069,824
  5. Step 5: Solve for x
    x = 749,189,001,241,069,824/992,819,031.98
  6. Step 6: Final answer
    x = 754,607,815.83

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Double scale
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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.