Home / 12,919,502,083.28-19,382,698,192.44-4,638,460,875.44

Finding the Fourth Proportional to 12,919,502,083.28, 19,382,698,192.44 and 4,638,460,875.44

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Solution

The fourth proportional to 12,919,502,083.28, 19,382,698,192.44 and 4,638,460,875.44 is: 6,958,928,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,502,083.28 : 19,382,698,192.44 = 4,638,460,875.44 : x
  2. Step 2: Convert to fraction form
    12,919,502,083.28/19,382,698,192.44 = 4,638,460,875.44/x
  3. Step 3: Cross multiply
    12,919,502,083.28x = 19,382,698,192.44 × 4,638,460,875.44
  4. Step 4: Simplify right side
    12,919,502,083.28x = 89,905,887,226,094,534,656
  5. Step 5: Solve for x
    x = 89,905,887,226,094,534,656/12,919,502,083.28
  6. Step 6: Final answer
    x = 6,958,928,188.30

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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.