Home / 637,076,347.68-878,695,982.64-480,450,056.16

Finding the Fourth Proportional to 637,076,347.68, 878,695,982.64 and 480,450,056.16

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Solution

The fourth proportional to 637,076,347.68, 878,695,982.64 and 480,450,056.16 is: 662,667,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,076,347.68 : 878,695,982.64 = 480,450,056.16 : x
  2. Step 2: Convert to fraction form
    637,076,347.68/878,695,982.64 = 480,450,056.16/x
  3. Step 3: Cross multiply
    637,076,347.68x = 878,695,982.64 × 480,450,056.16
  4. Step 4: Simplify right side
    637,076,347.68x = 422,169,534,206,954,432
  5. Step 5: Solve for x
    x = 422,169,534,206,954,432/637,076,347.68
  6. Step 6: Final answer
    x = 662,667,097.51

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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.