Home / 387,264,002.40-580,896,003.60-144,895,413.60

Finding the Fourth Proportional to 387,264,002.40, 580,896,003.60 and 144,895,413.60

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Solution

The fourth proportional to 387,264,002.40, 580,896,003.60 and 144,895,413.60 is: 217,343,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,264,002.40 : 580,896,003.60 = 144,895,413.60 : x
  2. Step 2: Convert to fraction form
    387,264,002.40/580,896,003.60 = 144,895,413.60/x
  3. Step 3: Cross multiply
    387,264,002.40x = 580,896,003.60 × 144,895,413.60
  4. Step 4: Simplify right side
    387,264,002.40x = 84,169,166,700,209,088
  5. Step 5: Solve for x
    x = 84,169,166,700,209,088/387,264,002.40
  6. Step 6: Final answer
    x = 217,343,120.40

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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.