Home / 13,668,467,341.74-18,863,217,309.69-7,646,613,515.34

Finding the Fourth Proportional to 13,668,467,341.74, 18,863,217,309.69 and 7,646,613,515.34

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Solution

The fourth proportional to 13,668,467,341.74, 18,863,217,309.69 and 7,646,613,515.34 is: 10,552,736,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668,467,341.74 : 18,863,217,309.69 = 7,646,613,515.34 : x
  2. Step 2: Convert to fraction form
    13,668,467,341.74/18,863,217,309.69 = 7,646,613,515.34/x
  3. Step 3: Cross multiply
    13,668,467,341.74x = 18,863,217,309.69 × 7,646,613,515.34
  4. Step 4: Simplify right side
    13,668,467,341.74x = 144,239,732,423,070,973,952
  5. Step 5: Solve for x
    x = 144,239,732,423,070,973,952/13,668,467,341.74
  6. Step 6: Final answer
    x = 10,552,736,368.81

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Double scale
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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.