Home / 665,343,534.40-998,015,301.60-296,877,774.40

Finding the Fourth Proportional to 665,343,534.40, 998,015,301.60 and 296,877,774.40

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Solution

The fourth proportional to 665,343,534.40, 998,015,301.60 and 296,877,774.40 is: 445,316,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,343,534.40 : 998,015,301.60 = 296,877,774.40 : x
  2. Step 2: Convert to fraction form
    665,343,534.40/998,015,301.60 = 296,877,774.40/x
  3. Step 3: Cross multiply
    665,343,534.40x = 998,015,301.60 × 296,877,774.40
  4. Step 4: Simplify right side
    665,343,534.40x = 296,288,561,556,152,768
  5. Step 5: Solve for x
    x = 296,288,561,556,152,768/665,343,534.40
  6. Step 6: Final answer
    x = 445,316,661.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.