Home / 19,208,162,354.40-28,812,243,531.60-15,942,988,850.40

Finding the Fourth Proportional to 19,208,162,354.40, 28,812,243,531.60 and 15,942,988,850.40

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Solution

The fourth proportional to 19,208,162,354.40, 28,812,243,531.60 and 15,942,988,850.40 is: 23,914,483,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,162,354.40 : 28,812,243,531.60 = 15,942,988,850.40 : x
  2. Step 2: Convert to fraction form
    19,208,162,354.40/28,812,243,531.60 = 15,942,988,850.40/x
  3. Step 3: Cross multiply
    19,208,162,354.40x = 28,812,243,531.60 × 15,942,988,850.40
  4. Step 4: Simplify right side
    19,208,162,354.40x = 459,353,277,379,308,290,048
  5. Step 5: Solve for x
    x = 459,353,277,379,308,290,048/19,208,162,354.40
  6. Step 6: Final answer
    x = 23,914,483,275.60

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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.