Home / 27,748,031,925.26-38,285,720,312.88-15,705,042,732.54

Finding the Fourth Proportional to 27,748,031,925.26, 38,285,720,312.88 and 15,705,042,732.54

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Solution

The fourth proportional to 27,748,031,925.26, 38,285,720,312.88 and 15,705,042,732.54 is: 21,669,243,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,748,031,925.26 : 38,285,720,312.88 = 15,705,042,732.54 : x
  2. Step 2: Convert to fraction form
    27,748,031,925.26/38,285,720,312.88 = 15,705,042,732.54/x
  3. Step 3: Cross multiply
    27,748,031,925.26x = 38,285,720,312.88 × 15,705,042,732.54
  4. Step 4: Simplify right side
    27,748,031,925.26x = 601,278,873,559,855,136,768
  5. Step 5: Solve for x
    x = 601,278,873,559,855,136,768/27,748,031,925.26
  6. Step 6: Final answer
    x = 21,669,243,973.03

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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.