Home / 692,004,261.60-1,038,006,392.40-207,330,069.60

Finding the Fourth Proportional to 692,004,261.60, 1,038,006,392.40 and 207,330,069.60

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Solution

The fourth proportional to 692,004,261.60, 1,038,006,392.40 and 207,330,069.60 is: 310,995,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,004,261.60 : 1,038,006,392.40 = 207,330,069.60 : x
  2. Step 2: Convert to fraction form
    692,004,261.60/1,038,006,392.40 = 207,330,069.60/x
  3. Step 3: Cross multiply
    692,004,261.60x = 1,038,006,392.40 × 207,330,069.60
  4. Step 4: Simplify right side
    692,004,261.60x = 215,209,937,581,536,896
  5. Step 5: Solve for x
    x = 215,209,937,581,536,896/692,004,261.60
  6. Step 6: Final answer
    x = 310,995,104.40

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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.