Home / 1,528,008,381.60-2,292,012,572.40-545,905,413.60

Finding the Fourth Proportional to 1,528,008,381.60, 2,292,012,572.40 and 545,905,413.60

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Solution

The fourth proportional to 1,528,008,381.60, 2,292,012,572.40 and 545,905,413.60 is: 818,858,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,008,381.60 : 2,292,012,572.40 = 545,905,413.60 : x
  2. Step 2: Convert to fraction form
    1,528,008,381.60/2,292,012,572.40 = 545,905,413.60/x
  3. Step 3: Cross multiply
    1,528,008,381.60x = 2,292,012,572.40 × 545,905,413.60
  4. Step 4: Simplify right side
    1,528,008,381.60x = 1,251,222,071,312,422,144
  5. Step 5: Solve for x
    x = 1,251,222,071,312,422,144/1,528,008,381.60
  6. Step 6: Final answer
    x = 818,858,120.40

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Half scale
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Double scale
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Similar ratio
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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.