Home / 608,736,421-912,912,823.50-199,697,255.56

Finding the Fourth Proportional to 608,736,421, 912,912,823.50 and 199,697,255.56

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Solution

The fourth proportional to 608,736,421, 912,912,823.50 and 199,697,255.56 is: 299,482,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,736,421 : 912,912,823.50 = 199,697,255.56 : x
  2. Step 2: Convert to fraction form
    608,736,421/912,912,823.50 = 199,697,255.56/x
  3. Step 3: Cross multiply
    608,736,421x = 912,912,823.50 × 199,697,255.56
  4. Step 4: Simplify right side
    608,736,421x = 182,306,185,418,480,672
  5. Step 5: Solve for x
    x = 182,306,185,418,480,672/608,736,421
  6. Step 6: Final answer
    x = 299,482,960.32

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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.