Home / 886,164,018.80-1,330,442,754.60-518,076,172.40

Finding the Fourth Proportional to 886,164,018.80, 1,330,442,754.60 and 518,076,172.40

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Solution

The fourth proportional to 886,164,018.80, 1,330,442,754.60 and 518,076,172.40 is: 777,813,898.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,164,018.80 : 1,330,442,754.60 = 518,076,172.40 : x
  2. Step 2: Convert to fraction form
    886,164,018.80/1,330,442,754.60 = 518,076,172.40/x
  3. Step 3: Cross multiply
    886,164,018.80x = 1,330,442,754.60 × 518,076,172.40
  4. Step 4: Simplify right side
    886,164,018.80x = 689,270,689,900,480,384
  5. Step 5: Solve for x
    x = 689,270,689,900,480,384/886,164,018.80
  6. Step 6: Final answer
    x = 777,813,898.19

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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.