Home / 673,760,538.20-1,010,640,807.30-411,866,413.40

Finding the Fourth Proportional to 673,760,538.20, 1,010,640,807.30 and 411,866,413.40

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Solution

The fourth proportional to 673,760,538.20, 1,010,640,807.30 and 411,866,413.40 is: 617,799,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,760,538.20 : 1,010,640,807.30 = 411,866,413.40 : x
  2. Step 2: Convert to fraction form
    673,760,538.20/1,010,640,807.30 = 411,866,413.40/x
  3. Step 3: Cross multiply
    673,760,538.20x = 1,010,640,807.30 × 411,866,413.40
  4. Step 4: Simplify right side
    673,760,538.20x = 416,249,004,538,331,520
  5. Step 5: Solve for x
    x = 416,249,004,538,331,520/673,760,538.20
  6. Step 6: Final answer
    x = 617,799,620.10

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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.