Home / 407,713,234.90-611,569,852.35-254,830,854.10

Finding the Fourth Proportional to 407,713,234.90, 611,569,852.35 and 254,830,854.10

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Solution

The fourth proportional to 407,713,234.90, 611,569,852.35 and 254,830,854.10 is: 382,246,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,713,234.90 : 611,569,852.35 = 254,830,854.10 : x
  2. Step 2: Convert to fraction form
    407,713,234.90/611,569,852.35 = 254,830,854.10/x
  3. Step 3: Cross multiply
    407,713,234.90x = 611,569,852.35 × 254,830,854.10
  4. Step 4: Simplify right side
    407,713,234.90x = 155,846,867,816,161,408
  5. Step 5: Solve for x
    x = 155,846,867,816,161,408/407,713,234.90
  6. Step 6: Final answer
    x = 382,246,281.15

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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.