Home / 637,076,348.18-878,695,983.33-480,450,056.66

Finding the Fourth Proportional to 637,076,348.18, 878,695,983.33 and 480,450,056.66

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Solution

The fourth proportional to 637,076,348.18, 878,695,983.33 and 480,450,056.66 is: 662,667,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,076,348.18 : 878,695,983.33 = 480,450,056.66 : x
  2. Step 2: Convert to fraction form
    637,076,348.18/878,695,983.33 = 480,450,056.66/x
  3. Step 3: Cross multiply
    637,076,348.18x = 878,695,983.33 × 480,450,056.66
  4. Step 4: Simplify right side
    637,076,348.18x = 422,169,534,977,812,928
  5. Step 5: Solve for x
    x = 422,169,534,977,812,928/637,076,348.18
  6. Step 6: Final answer
    x = 662,667,098.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.