Home / 698,207,829.92-963,482,406.72-384,924,920.48

Finding the Fourth Proportional to 698,207,829.92, 963,482,406.72 and 384,924,920.48

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Solution

The fourth proportional to 698,207,829.92, 963,482,406.72 and 384,924,920.48 is: 531,171,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,207,829.92 : 963,482,406.72 = 384,924,920.48 : x
  2. Step 2: Convert to fraction form
    698,207,829.92/963,482,406.72 = 384,924,920.48/x
  3. Step 3: Cross multiply
    698,207,829.92x = 963,482,406.72 × 384,924,920.48
  4. Step 4: Simplify right side
    698,207,829.92x = 370,868,388,790,575,040
  5. Step 5: Solve for x
    x = 370,868,388,790,575,040/698,207,829.92
  6. Step 6: Final answer
    x = 531,171,913.14

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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.