Home / 695,334,630.40-1,041,490,291.20-422,229,068.80

Finding the Fourth Proportional to 695,334,630.40, 1,041,490,291.20 and 422,229,068.80

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Solution

The fourth proportional to 695,334,630.40, 1,041,490,291.20 and 422,229,068.80 is: 632,425,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,334,630.40 : 1,041,490,291.20 = 422,229,068.80 : x
  2. Step 2: Convert to fraction form
    695,334,630.40/1,041,490,291.20 = 422,229,068.80/x
  3. Step 3: Cross multiply
    695,334,630.40x = 1,041,490,291.20 × 422,229,068.80
  4. Step 4: Simplify right side
    695,334,630.40x = 439,747,475,817,616,896
  5. Step 5: Solve for x
    x = 439,747,475,817,616,896/695,334,630.40
  6. Step 6: Final answer
    x = 632,425,679.08

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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.