Home / 883,592,678.16-1,219,399,413.48-492,454,901.52

Finding the Fourth Proportional to 883,592,678.16, 1,219,399,413.48 and 492,454,901.52

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Solution

The fourth proportional to 883,592,678.16, 1,219,399,413.48 and 492,454,901.52 is: 679,610,903.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,592,678.16 : 1,219,399,413.48 = 492,454,901.52 : x
  2. Step 2: Convert to fraction form
    883,592,678.16/1,219,399,413.48 = 492,454,901.52/x
  3. Step 3: Cross multiply
    883,592,678.16x = 1,219,399,413.48 × 492,454,901.52
  4. Step 4: Simplify right side
    883,592,678.16x = 600,499,218,078,839,168
  5. Step 5: Solve for x
    x = 600,499,218,078,839,168/883,592,678.16
  6. Step 6: Final answer
    x = 679,610,903.22

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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.