Home / 21,842,208,078.40-32,763,312,117.60-21,229,988,046.40

Finding the Fourth Proportional to 21,842,208,078.40, 32,763,312,117.60 and 21,229,988,046.40

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Solution

The fourth proportional to 21,842,208,078.40, 32,763,312,117.60 and 21,229,988,046.40 is: 31,844,982,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842,208,078.40 : 32,763,312,117.60 = 21,229,988,046.40 : x
  2. Step 2: Convert to fraction form
    21,842,208,078.40/32,763,312,117.60 = 21,229,988,046.40/x
  3. Step 3: Cross multiply
    21,842,208,078.40x = 32,763,312,117.60 × 21,229,988,046.40
  4. Step 4: Simplify right side
    21,842,208,078.40x = 695,564,724,617,120,317,440
  5. Step 5: Solve for x
    x = 695,564,724,617,120,317,440/21,842,208,078.40
  6. Step 6: Final answer
    x = 31,844,982,069.60

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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.