Home / 285,756,287,673.96-428,634,431,363.28-106,696,258,128.45

Finding the Fourth Proportional to 285,756,287,673.96, 428,634,431,363.28 and 106,696,258,128.45

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Solution

The fourth proportional to 285,756,287,673.96, 428,634,431,363.28 and 106,696,258,128.45 is: 160,044,387,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,756,287,673.96 : 428,634,431,363.28 = 106,696,258,128.45 : x
  2. Step 2: Convert to fraction form
    285,756,287,673.96/428,634,431,363.28 = 106,696,258,128.45/x
  3. Step 3: Cross multiply
    285,756,287,673.96x = 428,634,431,363.28 × 106,696,258,128.45
  4. Step 4: Simplify right side
    285,756,287,673.96x = 45,733,689,931,477,907,668,992
  5. Step 5: Solve for x
    x = 45,733,689,931,477,907,668,992/285,756,287,673.96
  6. Step 6: Final answer
    x = 160,044,387,137.54

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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.