Home / 28,347,818,148.49-39,120,004,740.51-15,312,000,750.88

Finding the Fourth Proportional to 28,347,818,148.49, 39,120,004,740.51 and 15,312,000,750.88

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Solution

The fourth proportional to 28,347,818,148.49, 39,120,004,740.51 and 15,312,000,750.88 is: 21,130,569,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347,818,148.49 : 39,120,004,740.51 = 15,312,000,750.88 : x
  2. Step 2: Convert to fraction form
    28,347,818,148.49/39,120,004,740.51 = 15,312,000,750.88/x
  3. Step 3: Cross multiply
    28,347,818,148.49x = 39,120,004,740.51 × 15,312,000,750.88
  4. Step 4: Simplify right side
    28,347,818,148.49x = 599,005,541,960,876,818,432
  5. Step 5: Solve for x
    x = 599,005,541,960,876,818,432/28,347,818,148.49
  6. Step 6: Final answer
    x = 21,130,569,514.14

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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.