Home / 1,267,968,233.79-1,749,598,832.57-724,801,423.86

Finding the Fourth Proportional to 1,267,968,233.79, 1,749,598,832.57 and 724,801,423.86

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Solution

The fourth proportional to 1,267,968,233.79, 1,749,598,832.57 and 724,801,423.86 is: 1,000,113,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,968,233.79 : 1,749,598,832.57 = 724,801,423.86 : x
  2. Step 2: Convert to fraction form
    1,267,968,233.79/1,749,598,832.57 = 724,801,423.86/x
  3. Step 3: Cross multiply
    1,267,968,233.79x = 1,749,598,832.57 × 724,801,423.86
  4. Step 4: Simplify right side
    1,267,968,233.79x = 1,268,111,725,026,905,856
  5. Step 5: Solve for x
    x = 1,268,111,725,026,905,856/1,267,968,233.79
  6. Step 6: Final answer
    x = 1,000,113,166.27

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Double scale
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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.