Home / 14,183,428,403.60-21,275,142,605.40-13,989,936,640.40

Finding the Fourth Proportional to 14,183,428,403.60, 21,275,142,605.40 and 13,989,936,640.40

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Solution

The fourth proportional to 14,183,428,403.60, 21,275,142,605.40 and 13,989,936,640.40 is: 20,984,904,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183,428,403.60 : 21,275,142,605.40 = 13,989,936,640.40 : x
  2. Step 2: Convert to fraction form
    14,183,428,403.60/21,275,142,605.40 = 13,989,936,640.40/x
  3. Step 3: Cross multiply
    14,183,428,403.60x = 21,275,142,605.40 × 13,989,936,640.40
  4. Step 4: Simplify right side
    14,183,428,403.60x = 297,637,897,065,020,588,032
  5. Step 5: Solve for x
    x = 297,637,897,065,020,588,032/14,183,428,403.60
  6. Step 6: Final answer
    x = 20,984,904,960.60

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Double scale
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Similar ratio
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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.