Home / 615,684,413.60-923,526,620.40-560,145,111.20

Finding the Fourth Proportional to 615,684,413.60, 923,526,620.40 and 560,145,111.20

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Solution

The fourth proportional to 615,684,413.60, 923,526,620.40 and 560,145,111.20 is: 840,217,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,684,413.60 : 923,526,620.40 = 560,145,111.20 : x
  2. Step 2: Convert to fraction form
    615,684,413.60/923,526,620.40 = 560,145,111.20/x
  3. Step 3: Cross multiply
    615,684,413.60x = 923,526,620.40 × 560,145,111.20
  4. Step 4: Simplify right side
    615,684,413.60x = 517,308,921,480,118,208
  5. Step 5: Solve for x
    x = 517,308,921,480,118,208/615,684,413.60
  6. Step 6: Final answer
    x = 840,217,666.80

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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.