Home / 568,138,969.35-852,453,962.54-305,516,565.35

Finding the Fourth Proportional to 568,138,969.35, 852,453,962.54 and 305,516,565.35

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Solution

The fourth proportional to 568,138,969.35, 852,453,962.54 and 305,516,565.35 is: 458,406,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,138,969.35 : 852,453,962.54 = 305,516,565.35 : x
  2. Step 2: Convert to fraction form
    568,138,969.35/852,453,962.54 = 305,516,565.35/x
  3. Step 3: Cross multiply
    568,138,969.35x = 852,453,962.54 × 305,516,565.35
  4. Step 4: Simplify right side
    568,138,969.35x = 260,438,806,754,517,824
  5. Step 5: Solve for x
    x = 260,438,806,754,517,824/568,138,969.35
  6. Step 6: Final answer
    x = 458,406,870.16

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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.