Home / 15,420,811,273.36-21,272,887,578.00-10,071,502,870.88

Finding the Fourth Proportional to 15,420,811,273.36, 21,272,887,578.00 and 10,071,502,870.88

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Solution

The fourth proportional to 15,420,811,273.36, 21,272,887,578.00 and 10,071,502,870.88 is: 13,893,558,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420,811,273.36 : 21,272,887,578.00 = 10,071,502,870.88 : x
  2. Step 2: Convert to fraction form
    15,420,811,273.36/21,272,887,578.00 = 10,071,502,870.88/x
  3. Step 3: Cross multiply
    15,420,811,273.36x = 21,272,887,578.00 × 10,071,502,870.88
  4. Step 4: Simplify right side
    15,420,811,273.36x = 214,249,948,313,807,224,832
  5. Step 5: Solve for x
    x = 214,249,948,313,807,224,832/15,420,811,273.36
  6. Step 6: Final answer
    x = 13,893,558,809.32

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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.