Home / 15,273,571,536.86-21,079,363,642.98-9,251,900,257.34

Finding the Fourth Proportional to 15,273,571,536.86, 21,079,363,642.98 and 9,251,900,257.34

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Solution

The fourth proportional to 15,273,571,536.86, 21,079,363,642.98 and 9,251,900,257.34 is: 12,768,733,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273,571,536.86 : 21,079,363,642.98 = 9,251,900,257.34 : x
  2. Step 2: Convert to fraction form
    15,273,571,536.86/21,079,363,642.98 = 9,251,900,257.34/x
  3. Step 3: Cross multiply
    15,273,571,536.86x = 21,079,363,642.98 × 9,251,900,257.34
  4. Step 4: Simplify right side
    15,273,571,536.86x = 195,024,169,913,050,103,808
  5. Step 5: Solve for x
    x = 195,024,169,913,050,103,808/15,273,571,536.86
  6. Step 6: Final answer
    x = 12,768,733,851.31

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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.