Home / 15,342,331,670.95-21,018,644,851.49-14,768,706,530.62

Finding the Fourth Proportional to 15,342,331,670.95, 21,018,644,851.49 and 14,768,706,530.62

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Solution

The fourth proportional to 15,342,331,670.95, 21,018,644,851.49 and 14,768,706,530.62 is: 20,232,791,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,331,670.95 : 21,018,644,851.49 = 14,768,706,530.62 : x
  2. Step 2: Convert to fraction form
    15,342,331,670.95/21,018,644,851.49 = 14,768,706,530.62/x
  3. Step 3: Cross multiply
    15,342,331,670.95x = 21,018,644,851.49 × 14,768,706,530.62
  4. Step 4: Simplify right side
    15,342,331,670.95x = 310,418,197,482,982,866,944
  5. Step 5: Solve for x
    x = 310,418,197,482,982,866,944/15,342,331,670.95
  6. Step 6: Final answer
    x = 20,232,791,477.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.