Home / 610,997,413.95-917,088,013.40-577,815,566.49

Finding the Fourth Proportional to 610,997,413.95, 917,088,013.40 and 577,815,566.49

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Solution

The fourth proportional to 610,997,413.95, 917,088,013.40 and 577,815,566.49 is: 867,283,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,997,413.95 : 917,088,013.40 = 577,815,566.49 : x
  2. Step 2: Convert to fraction form
    610,997,413.95/917,088,013.40 = 577,815,566.49/x
  3. Step 3: Cross multiply
    610,997,413.95x = 917,088,013.40 × 577,815,566.49
  4. Step 4: Simplify right side
    610,997,413.95x = 529,907,729,981,020,608
  5. Step 5: Solve for x
    x = 529,907,729,981,020,608/610,997,413.95
  6. Step 6: Final answer
    x = 867,283,097.90

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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.