Home / 903,218,816.54-1,244,119,591.50-638,445,610.10

Finding the Fourth Proportional to 903,218,816.54, 1,244,119,591.50 and 638,445,610.10

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Solution

The fourth proportional to 903,218,816.54, 1,244,119,591.50 and 638,445,610.10 is: 879,413,357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,218,816.54 : 1,244,119,591.50 = 638,445,610.10 : x
  2. Step 2: Convert to fraction form
    903,218,816.54/1,244,119,591.50 = 638,445,610.10/x
  3. Step 3: Cross multiply
    903,218,816.54x = 1,244,119,591.50 × 638,445,610.10
  4. Step 4: Simplify right side
    903,218,816.54x = 794,302,691,632,580,352
  5. Step 5: Solve for x
    x = 794,302,691,632,580,352/903,218,816.54
  6. Step 6: Final answer
    x = 879,413,357.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.