Home / 696,186,142.04-1,044,398,185.86-287,018,620.76

Finding the Fourth Proportional to 696,186,142.04, 1,044,398,185.86 and 287,018,620.76

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Solution

The fourth proportional to 696,186,142.04, 1,044,398,185.86 and 287,018,620.76 is: 430,576,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,186,142.04 : 1,044,398,185.86 = 287,018,620.76 : x
  2. Step 2: Convert to fraction form
    696,186,142.04/1,044,398,185.86 = 287,018,620.76/x
  3. Step 3: Cross multiply
    696,186,142.04x = 1,044,398,185.86 × 287,018,620.76
  4. Step 4: Simplify right side
    696,186,142.04x = 299,761,726,833,456,320
  5. Step 5: Solve for x
    x = 299,761,726,833,456,320/696,186,142.04
  6. Step 6: Final answer
    x = 430,576,980.39

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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.