Home / 388,967,411.89-583,452,106.10-158,936,496.55

Finding the Fourth Proportional to 388,967,411.89, 583,452,106.10 and 158,936,496.55

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Solution

The fourth proportional to 388,967,411.89, 583,452,106.10 and 158,936,496.55 is: 238,405,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,967,411.89 : 583,452,106.10 = 158,936,496.55 : x
  2. Step 2: Convert to fraction form
    388,967,411.89/583,452,106.10 = 158,936,496.55/x
  3. Step 3: Cross multiply
    388,967,411.89x = 583,452,106.10 × 158,936,496.55
  4. Step 4: Simplify right side
    388,967,411.89x = 92,731,833,648,252,896
  5. Step 5: Solve for x
    x = 92,731,833,648,252,896/388,967,411.89
  6. Step 6: Final answer
    x = 238,405,148.64

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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.