Home / 442,867,810.60-664,301,715.90-328,076,554.60

Finding the Fourth Proportional to 442,867,810.60, 664,301,715.90 and 328,076,554.60

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Solution

The fourth proportional to 442,867,810.60, 664,301,715.90 and 328,076,554.60 is: 492,114,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,867,810.60 : 664,301,715.90 = 328,076,554.60 : x
  2. Step 2: Convert to fraction form
    442,867,810.60/664,301,715.90 = 328,076,554.60/x
  3. Step 3: Cross multiply
    442,867,810.60x = 664,301,715.90 × 328,076,554.60
  4. Step 4: Simplify right side
    442,867,810.60x = 217,941,818,167,340,032
  5. Step 5: Solve for x
    x = 217,941,818,167,340,032/442,867,810.60
  6. Step 6: Final answer
    x = 492,114,831.90

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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.