Home / 692,004,307.10-1,038,006,460.65-207,330,115.10

Finding the Fourth Proportional to 692,004,307.10, 1,038,006,460.65 and 207,330,115.10

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Solution

The fourth proportional to 692,004,307.10, 1,038,006,460.65 and 207,330,115.10 is: 310,995,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,004,307.10 : 1,038,006,460.65 = 207,330,115.10 : x
  2. Step 2: Convert to fraction form
    692,004,307.10/1,038,006,460.65 = 207,330,115.10/x
  3. Step 3: Cross multiply
    692,004,307.10x = 1,038,006,460.65 × 207,330,115.10
  4. Step 4: Simplify right side
    692,004,307.10x = 215,209,998,961,108,096
  5. Step 5: Solve for x
    x = 215,209,998,961,108,096/692,004,307.10
  6. Step 6: Final answer
    x = 310,995,172.65

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.