Home / 12,557,645,281,454-17,332,774,821,294-8,178,887,191,810.40

Finding the Fourth Proportional to 12,557,645,281,454, 17,332,774,821,294 and 8,178,887,191,810.40

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Solution

The fourth proportional to 12,557,645,281,454, 17,332,774,821,294 and 8,178,887,191,810.40 is: 11,288,964,356,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557,645,281,454 : 17,332,774,821,294 = 8,178,887,191,810.40 : x
  2. Step 2: Convert to fraction form
    12,557,645,281,454/17,332,774,821,294 = 8,178,887,191,810.40/x
  3. Step 3: Cross multiply
    12,557,645,281,454x = 17,332,774,821,294 × 8,178,887,191,810.40
  4. Step 4: Simplify right side
    12,557,645,281,454x = 141,762,809,984,415,290,399,653,888
  5. Step 5: Solve for x
    x = 141,762,809,984,415,290,399,653,888/12,557,645,281,454
  6. Step 6: Final answer
    x = 11,288,964,356,540.67

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.