Home / 7,077,567,821.81-9,767,278,177.74-3,862,653,842.57

Finding the Fourth Proportional to 7,077,567,821.81, 9,767,278,177.74 and 3,862,653,842.57

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Solution

The fourth proportional to 7,077,567,821.81, 9,767,278,177.74 and 3,862,653,842.57 is: 5,330,590,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077,567,821.81 : 9,767,278,177.74 = 3,862,653,842.57 : x
  2. Step 2: Convert to fraction form
    7,077,567,821.81/9,767,278,177.74 = 3,862,653,842.57/x
  3. Step 3: Cross multiply
    7,077,567,821.81x = 9,767,278,177.74 × 3,862,653,842.57
  4. Step 4: Simplify right side
    7,077,567,821.81x = 37,727,614,584,648,679,424
  5. Step 5: Solve for x
    x = 37,727,614,584,648,679,424/7,077,567,821.81
  6. Step 6: Final answer
    x = 5,330,590,329.13

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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.