Home / 1,389,297,335.20-2,083,503,558.06-456,403,638.88

Finding the Fourth Proportional to 1,389,297,335.20, 2,083,503,558.06 and 456,403,638.88

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Solution

The fourth proportional to 1,389,297,335.20, 2,083,503,558.06 and 456,403,638.88 is: 684,460,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,297,335.20 : 2,083,503,558.06 = 456,403,638.88 : x
  2. Step 2: Convert to fraction form
    1,389,297,335.20/2,083,503,558.06 = 456,403,638.88/x
  3. Step 3: Cross multiply
    1,389,297,335.20x = 2,083,503,558.06 × 456,403,638.88
  4. Step 4: Simplify right side
    1,389,297,335.20x = 950,918,605,518,011,264
  5. Step 5: Solve for x
    x = 950,918,605,518,011,264/1,389,297,335.20
  6. Step 6: Final answer
    x = 684,460,109.02

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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.