Home / 506,233,636.73-698,597,271.72-280,173,061.49

Finding the Fourth Proportional to 506,233,636.73, 698,597,271.72 and 280,173,061.49

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Solution

The fourth proportional to 506,233,636.73, 698,597,271.72 and 280,173,061.49 is: 386,635,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,233,636.73 : 698,597,271.72 = 280,173,061.49 : x
  2. Step 2: Convert to fraction form
    506,233,636.73/698,597,271.72 = 280,173,061.49/x
  3. Step 3: Cross multiply
    506,233,636.73x = 698,597,271.72 × 280,173,061.49
  4. Step 4: Simplify right side
    506,233,636.73x = 195,728,136,361,459,968
  5. Step 5: Solve for x
    x = 195,728,136,361,459,968/506,233,636.73
  6. Step 6: Final answer
    x = 386,635,976.28

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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.