Home / 15,400,889,223,752-21,253,736,825,628-8,464,373,317,319.40

Finding the Fourth Proportional to 15,400,889,223,752, 21,253,736,825,628 and 8,464,373,317,319.40

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Solution

The fourth proportional to 15,400,889,223,752, 21,253,736,825,628 and 8,464,373,317,319.40 is: 11,681,115,308,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,889,223,752 : 21,253,736,825,628 = 8,464,373,317,319.40 : x
  2. Step 2: Convert to fraction form
    15,400,889,223,752/21,253,736,825,628 = 8,464,373,317,319.40/x
  3. Step 3: Cross multiply
    15,400,889,223,752x = 21,253,736,825,628 × 8,464,373,317,319.40
  4. Step 4: Simplify right side
    15,400,889,223,752x = 179,899,562,880,174,374,552,338,432
  5. Step 5: Solve for x
    x = 179,899,562,880,174,374,552,338,432/15,400,889,223,752
  6. Step 6: Final answer
    x = 11,681,115,308,765.71

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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.