Home / 1,287,277,600.40-1,930,916,400.60-1,158,283,091.60

Finding the Fourth Proportional to 1,287,277,600.40, 1,930,916,400.60 and 1,158,283,091.60

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Solution

The fourth proportional to 1,287,277,600.40, 1,930,916,400.60 and 1,158,283,091.60 is: 1,737,424,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,277,600.40 : 1,930,916,400.60 = 1,158,283,091.60 : x
  2. Step 2: Convert to fraction form
    1,287,277,600.40/1,930,916,400.60 = 1,158,283,091.60/x
  3. Step 3: Cross multiply
    1,287,277,600.40x = 1,930,916,400.60 × 1,158,283,091.60
  4. Step 4: Simplify right side
    1,287,277,600.40x = 2,236,547,818,108,111,872
  5. Step 5: Solve for x
    x = 2,236,547,818,108,111,872/1,287,277,600.40
  6. Step 6: Final answer
    x = 1,737,424,637.40

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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.