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Finding the Fourth Proportional to 1,569,798,413.80, 2,354,697,620.70 and 479,139,764.20

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Solution

The fourth proportional to 1,569,798,413.80, 2,354,697,620.70 and 479,139,764.20 is: 718,709,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,798,413.80 : 2,354,697,620.70 = 479,139,764.20 : x
  2. Step 2: Convert to fraction form
    1,569,798,413.80/2,354,697,620.70 = 479,139,764.20/x
  3. Step 3: Cross multiply
    1,569,798,413.80x = 2,354,697,620.70 × 479,139,764.20
  4. Step 4: Simplify right side
    1,569,798,413.80x = 1,128,229,262,744,498,944
  5. Step 5: Solve for x
    x = 1,128,229,262,744,498,944/1,569,798,413.80
  6. Step 6: Final answer
    x = 718,709,646.30

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Double scale
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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.