Home / 379,878,439.40-569,834,247.90-124,576,807.40

Finding the Fourth Proportional to 379,878,439.40, 569,834,247.90 and 124,576,807.40

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Solution

The fourth proportional to 379,878,439.40, 569,834,247.90 and 124,576,807.40 is: 186,870,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,878,439.40 : 569,834,247.90 = 124,576,807.40 : x
  2. Step 2: Convert to fraction form
    379,878,439.40/569,834,247.90 = 124,576,807.40/x
  3. Step 3: Cross multiply
    379,878,439.40x = 569,834,247.90 × 124,576,807.40
  4. Step 4: Simplify right side
    379,878,439.40x = 70,988,131,350,562,152
  5. Step 5: Solve for x
    x = 70,988,131,350,562,152/379,878,439.40
  6. Step 6: Final answer
    x = 186,870,651.21

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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.