Home / 630,087,350.40-945,131,025.60-545,152,694.40

Finding the Fourth Proportional to 630,087,350.40, 945,131,025.60 and 545,152,694.40

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Solution

The fourth proportional to 630,087,350.40, 945,131,025.60 and 545,152,694.40 is: 817,729,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,087,350.40 : 945,131,025.60 = 545,152,694.40 : x
  2. Step 2: Convert to fraction form
    630,087,350.40/945,131,025.60 = 545,152,694.40/x
  3. Step 3: Cross multiply
    630,087,350.40x = 945,131,025.60 × 545,152,694.40
  4. Step 4: Simplify right side
    630,087,350.40x = 515,240,725,166,875,392
  5. Step 5: Solve for x
    x = 515,240,725,166,875,392/630,087,350.40
  6. Step 6: Final answer
    x = 817,729,041.60

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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.