Home / 698,280,295.59-963,669,819.81-385,013,540.79

Finding the Fourth Proportional to 698,280,295.59, 963,669,819.81 and 385,013,540.79

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Solution

The fourth proportional to 698,280,295.59, 963,669,819.81 and 385,013,540.79 is: 531,342,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,280,295.59 : 963,669,819.81 = 385,013,540.79 : x
  2. Step 2: Convert to fraction form
    698,280,295.59/963,669,819.81 = 385,013,540.79/x
  3. Step 3: Cross multiply
    698,280,295.59x = 963,669,819.81 × 385,013,540.79
  4. Step 4: Simplify right side
    698,280,295.59x = 371,025,929,477,509,376
  5. Step 5: Solve for x
    x = 371,025,929,477,509,376/698,280,295.59
  6. Step 6: Final answer
    x = 531,342,401.93

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1.5x scale

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.