Home / 520,034,862.60-780,052,293.90-174,873,774.60

Finding the Fourth Proportional to 520,034,862.60, 780,052,293.90 and 174,873,774.60

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Solution

The fourth proportional to 520,034,862.60, 780,052,293.90 and 174,873,774.60 is: 262,310,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,034,862.60 : 780,052,293.90 = 174,873,774.60 : x
  2. Step 2: Convert to fraction form
    520,034,862.60/780,052,293.90 = 174,873,774.60/x
  3. Step 3: Cross multiply
    520,034,862.60x = 780,052,293.90 × 174,873,774.60
  4. Step 4: Simplify right side
    520,034,862.60x = 136,410,689,019,681,552
  5. Step 5: Solve for x
    x = 136,410,689,019,681,552/520,034,862.60
  6. Step 6: Final answer
    x = 262,310,661.90

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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.