Home / 898,691,109.40-1,348,036,664.10-735,432,434.20

Finding the Fourth Proportional to 898,691,109.40, 1,348,036,664.10 and 735,432,434.20

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Solution

The fourth proportional to 898,691,109.40, 1,348,036,664.10 and 735,432,434.20 is: 1,103,148,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,691,109.40 : 1,348,036,664.10 = 735,432,434.20 : x
  2. Step 2: Convert to fraction form
    898,691,109.40/1,348,036,664.10 = 735,432,434.20/x
  3. Step 3: Cross multiply
    898,691,109.40x = 1,348,036,664.10 × 735,432,434.20
  4. Step 4: Simplify right side
    898,691,109.40x = 991,389,885,269,910,784
  5. Step 5: Solve for x
    x = 991,389,885,269,910,784/898,691,109.40
  6. Step 6: Final answer
    x = 1,103,148,651.30

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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.