Home / 1,120,282,413.20-1,680,400,543.81-373,352,427.89

Finding the Fourth Proportional to 1,120,282,413.20, 1,680,400,543.81 and 373,352,427.89

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Solution

The fourth proportional to 1,120,282,413.20, 1,680,400,543.81 and 373,352,427.89 is: 560,020,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,282,413.20 : 1,680,400,543.81 = 373,352,427.89 : x
  2. Step 2: Convert to fraction form
    1,120,282,413.20/1,680,400,543.81 = 373,352,427.89/x
  3. Step 3: Cross multiply
    1,120,282,413.20x = 1,680,400,543.81 × 373,352,427.89
  4. Step 4: Simplify right side
    1,120,282,413.20x = 627,381,622,859,139,712
  5. Step 5: Solve for x
    x = 627,381,622,859,139,712/1,120,282,413.20
  6. Step 6: Final answer
    x = 560,020,951.38

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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.