Home / 1,092,168,032.40-1,638,252,048.60-724,836,013.20

Finding the Fourth Proportional to 1,092,168,032.40, 1,638,252,048.60 and 724,836,013.20

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Solution

The fourth proportional to 1,092,168,032.40, 1,638,252,048.60 and 724,836,013.20 is: 1,087,254,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,168,032.40 : 1,638,252,048.60 = 724,836,013.20 : x
  2. Step 2: Convert to fraction form
    1,092,168,032.40/1,638,252,048.60 = 724,836,013.20/x
  3. Step 3: Cross multiply
    1,092,168,032.40x = 1,638,252,048.60 × 724,836,013.20
  4. Step 4: Simplify right side
    1,092,168,032.40x = 1,187,464,083,523,956,736
  5. Step 5: Solve for x
    x = 1,187,464,083,523,956,736/1,092,168,032.40
  6. Step 6: Final answer
    x = 1,087,254,019.80

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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.