Home / 698,280,294.59-963,669,818.43-385,013,539.79

Finding the Fourth Proportional to 698,280,294.59, 963,669,818.43 and 385,013,539.79

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Solution

The fourth proportional to 698,280,294.59, 963,669,818.43 and 385,013,539.79 is: 531,342,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,280,294.59 : 963,669,818.43 = 385,013,539.79 : x
  2. Step 2: Convert to fraction form
    698,280,294.59/963,669,818.43 = 385,013,539.79/x
  3. Step 3: Cross multiply
    698,280,294.59x = 963,669,818.43 × 385,013,539.79
  4. Step 4: Simplify right side
    698,280,294.59x = 371,025,927,978,425,856
  5. Step 5: Solve for x
    x = 371,025,927,978,425,856/698,280,294.59
  6. Step 6: Final answer
    x = 531,342,400.54

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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.