Home / 885,370,515.40-1,328,055,773.10-872,456,499.10

Finding the Fourth Proportional to 885,370,515.40, 1,328,055,773.10 and 872,456,499.10

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Solution

The fourth proportional to 885,370,515.40, 1,328,055,773.10 and 872,456,499.10 is: 1,308,684,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,370,515.40 : 1,328,055,773.10 = 872,456,499.10 : x
  2. Step 2: Convert to fraction form
    885,370,515.40/1,328,055,773.10 = 872,456,499.10/x
  3. Step 3: Cross multiply
    885,370,515.40x = 1,328,055,773.10 × 872,456,499.10
  4. Step 4: Simplify right side
    885,370,515.40x = 1,158,670,890,408,369,920
  5. Step 5: Solve for x
    x = 1,158,670,890,408,369,920/885,370,515.40
  6. Step 6: Final answer
    x = 1,308,684,748.65

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Double scale
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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.