Home / 948,289,665.06-1,421,858,497.80-475,038,330.27

Finding the Fourth Proportional to 948,289,665.06, 1,421,858,497.80 and 475,038,330.27

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Solution

The fourth proportional to 948,289,665.06, 1,421,858,497.80 and 475,038,330.27 is: 712,268,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,289,665.06 : 1,421,858,497.80 = 475,038,330.27 : x
  2. Step 2: Convert to fraction form
    948,289,665.06/1,421,858,497.80 = 475,038,330.27/x
  3. Step 3: Cross multiply
    948,289,665.06x = 1,421,858,497.80 × 475,038,330.27
  4. Step 4: Simplify right side
    948,289,665.06x = 675,437,286,675,122,432
  5. Step 5: Solve for x
    x = 675,437,286,675,122,432/948,289,665.06
  6. Step 6: Final answer
    x = 712,268,952.79

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1.5x scale

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.