Home / 9,720,387,149.36-13,414,134,718.68-5,265,051,530.72

Finding the Fourth Proportional to 9,720,387,149.36, 13,414,134,718.68 and 5,265,051,530.72

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Solution

The fourth proportional to 9,720,387,149.36, 13,414,134,718.68 and 5,265,051,530.72 is: 7,265,771,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,387,149.36 : 13,414,134,718.68 = 5,265,051,530.72 : x
  2. Step 2: Convert to fraction form
    9,720,387,149.36/13,414,134,718.68 = 5,265,051,530.72/x
  3. Step 3: Cross multiply
    9,720,387,149.36x = 13,414,134,718.68 × 5,265,051,530.72
  4. Step 4: Simplify right side
    9,720,387,149.36x = 70,626,110,533,870,436,352
  5. Step 5: Solve for x
    x = 70,626,110,533,870,436,352/9,720,387,149.36
  6. Step 6: Final answer
    x = 7,265,771,357.52

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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.