Home / 2,258,318,987.42-3,116,564,309.57-1,354,222,117.67

Finding the Fourth Proportional to 2,258,318,987.42, 3,116,564,309.57 and 1,354,222,117.67

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Solution

The fourth proportional to 2,258,318,987.42, 3,116,564,309.57 and 1,354,222,117.67 is: 1,868,876,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,318,987.42 : 3,116,564,309.57 = 1,354,222,117.67 : x
  2. Step 2: Convert to fraction form
    2,258,318,987.42/3,116,564,309.57 = 1,354,222,117.67/x
  3. Step 3: Cross multiply
    2,258,318,987.42x = 3,116,564,309.57 × 1,354,222,117.67
  4. Step 4: Simplify right side
    2,258,318,987.42x = 4,220,520,319,148,429,824
  5. Step 5: Solve for x
    x = 4,220,520,319,148,429,824/2,258,318,987.42
  6. Step 6: Final answer
    x = 1,868,876,957.89

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Double scale
Find fourth proportional to 2,258,318,988.42, 3,116,564,310.95 and 1,354,222,118.67
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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.