Home / 692,004,334.60-1,038,006,501.90-207,330,142.60

Finding the Fourth Proportional to 692,004,334.60, 1,038,006,501.90 and 207,330,142.60

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Solution

The fourth proportional to 692,004,334.60, 1,038,006,501.90 and 207,330,142.60 is: 310,995,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,004,334.60 : 1,038,006,501.90 = 207,330,142.60 : x
  2. Step 2: Convert to fraction form
    692,004,334.60/1,038,006,501.90 = 207,330,142.60/x
  3. Step 3: Cross multiply
    692,004,334.60x = 1,038,006,501.90 × 207,330,142.60
  4. Step 4: Simplify right side
    692,004,334.60x = 215,210,036,058,654,144
  5. Step 5: Solve for x
    x = 215,210,036,058,654,144/692,004,334.60
  6. Step 6: Final answer
    x = 310,995,213.90

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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.