Home / 5,718,745,309.30-7,890,402,870.93-3,338,515,486.72

Finding the Fourth Proportional to 5,718,745,309.30, 7,890,402,870.93 and 3,338,515,486.72

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Solution

The fourth proportional to 5,718,745,309.30, 7,890,402,870.93 and 3,338,515,486.72 is: 4,606,295,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,745,309.30 : 7,890,402,870.93 = 3,338,515,486.72 : x
  2. Step 2: Convert to fraction form
    5,718,745,309.30/7,890,402,870.93 = 3,338,515,486.72/x
  3. Step 3: Cross multiply
    5,718,745,309.30x = 7,890,402,870.93 × 3,338,515,486.72
  4. Step 4: Simplify right side
    5,718,745,309.30x = 26,342,232,181,059,751,936
  5. Step 5: Solve for x
    x = 26,342,232,181,059,751,936/5,718,745,309.30
  6. Step 6: Final answer
    x = 4,606,295,744.32

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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.