Home / 265,623,566.40-398,435,349.60-192,497,284.80

Finding the Fourth Proportional to 265,623,566.40, 398,435,349.60 and 192,497,284.80

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Solution

The fourth proportional to 265,623,566.40, 398,435,349.60 and 192,497,284.80 is: 288,745,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,623,566.40 : 398,435,349.60 = 192,497,284.80 : x
  2. Step 2: Convert to fraction form
    265,623,566.40/398,435,349.60 = 192,497,284.80/x
  3. Step 3: Cross multiply
    265,623,566.40x = 398,435,349.60 × 192,497,284.80
  4. Step 4: Simplify right side
    265,623,566.40x = 76,697,722,966,338,768
  5. Step 5: Solve for x
    x = 76,697,722,966,338,768/265,623,566.40
  6. Step 6: Final answer
    x = 288,745,927.20

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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.