Home / 285,756,287,670.95-428,634,431,358.78-106,696,258,125.43

Finding the Fourth Proportional to 285,756,287,670.95, 428,634,431,358.78 and 106,696,258,125.43

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Solution

The fourth proportional to 285,756,287,670.95, 428,634,431,358.78 and 106,696,258,125.43 is: 160,044,387,133.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,756,287,670.95 : 428,634,431,358.78 = 106,696,258,125.43 : x
  2. Step 2: Convert to fraction form
    285,756,287,670.95/428,634,431,358.78 = 106,696,258,125.43/x
  3. Step 3: Cross multiply
    285,756,287,670.95x = 428,634,431,358.78 × 106,696,258,125.43
  4. Step 4: Simplify right side
    285,756,287,670.95x = 45,733,689,929,703,297,646,592
  5. Step 5: Solve for x
    x = 45,733,689,929,703,297,646,592/285,756,287,670.95
  6. Step 6: Final answer
    x = 160,044,387,133.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.