Home / 684,290,985.60-1,026,058,564.80-223,992,220.80

Finding the Fourth Proportional to 684,290,985.60, 1,026,058,564.80 and 223,992,220.80

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Solution

The fourth proportional to 684,290,985.60, 1,026,058,564.80 and 223,992,220.80 is: 335,864,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,290,985.60 : 1,026,058,564.80 = 223,992,220.80 : x
  2. Step 2: Convert to fraction form
    684,290,985.60/1,026,058,564.80 = 223,992,220.80/x
  3. Step 3: Cross multiply
    684,290,985.60x = 1,026,058,564.80 × 223,992,220.80
  4. Step 4: Simplify right side
    684,290,985.60x = 229,829,136,600,412,704
  5. Step 5: Solve for x
    x = 229,829,136,600,412,704/684,290,985.60
  6. Step 6: Final answer
    x = 335,864,626.95

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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.