Home / 27,382,634,972.10-37,788,007,602.20-15,339,730,551.78

Finding the Fourth Proportional to 27,382,634,972.10, 37,788,007,602.20 and 15,339,730,551.78

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Solution

The fourth proportional to 27,382,634,972.10, 37,788,007,602.20 and 15,339,730,551.78 is: 21,168,812,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382,634,972.10 : 37,788,007,602.20 = 15,339,730,551.78 : x
  2. Step 2: Convert to fraction form
    27,382,634,972.10/37,788,007,602.20 = 15,339,730,551.78/x
  3. Step 3: Cross multiply
    27,382,634,972.10x = 37,788,007,602.20 × 15,339,730,551.78
  4. Step 4: Simplify right side
    27,382,634,972.10x = 579,657,854,706,173,214,720
  5. Step 5: Solve for x
    x = 579,657,854,706,173,214,720/27,382,634,972.10
  6. Step 6: Final answer
    x = 21,168,812,106.54

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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.