Home / 601,573,586.78-830,443,567.65-378,882,545.06

Finding the Fourth Proportional to 601,573,586.78, 830,443,567.65 and 378,882,545.06

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Solution

The fourth proportional to 601,573,586.78, 830,443,567.65 and 378,882,545.06 is: 523,029,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,573,586.78 : 830,443,567.65 = 378,882,545.06 : x
  2. Step 2: Convert to fraction form
    601,573,586.78/830,443,567.65 = 378,882,545.06/x
  3. Step 3: Cross multiply
    601,573,586.78x = 830,443,567.65 × 378,882,545.06
  4. Step 4: Simplify right side
    601,573,586.78x = 314,640,572,439,938,304
  5. Step 5: Solve for x
    x = 314,640,572,439,938,304/601,573,586.78
  6. Step 6: Final answer
    x = 523,029,234.25

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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.