Home / 708,586,769.80-1,063,048,116.30-363,593,643.40

Finding the Fourth Proportional to 708,586,769.80, 1,063,048,116.30 and 363,593,643.40

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Solution

The fourth proportional to 708,586,769.80, 1,063,048,116.30 and 363,593,643.40 is: 545,476,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,586,769.80 : 1,063,048,116.30 = 363,593,643.40 : x
  2. Step 2: Convert to fraction form
    708,586,769.80/1,063,048,116.30 = 363,593,643.40/x
  3. Step 3: Cross multiply
    708,586,769.80x = 1,063,048,116.30 × 363,593,643.40
  4. Step 4: Simplify right side
    708,586,769.80x = 386,517,537,715,023,872
  5. Step 5: Solve for x
    x = 386,517,537,715,023,872/708,586,769.80
  6. Step 6: Final answer
    x = 545,476,650.41

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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.