Home / 407,713,235.40-611,569,853.10-254,830,854.60

Finding the Fourth Proportional to 407,713,235.40, 611,569,853.10 and 254,830,854.60

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Solution

The fourth proportional to 407,713,235.40, 611,569,853.10 and 254,830,854.60 is: 382,246,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,713,235.40 : 611,569,853.10 = 254,830,854.60 : x
  2. Step 2: Convert to fraction form
    407,713,235.40/611,569,853.10 = 254,830,854.60/x
  3. Step 3: Cross multiply
    407,713,235.40x = 611,569,853.10 × 254,830,854.60
  4. Step 4: Simplify right side
    407,713,235.40x = 155,846,868,313,069,472
  5. Step 5: Solve for x
    x = 155,846,868,313,069,472/407,713,235.40
  6. Step 6: Final answer
    x = 382,246,281.90

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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.