Home / 12,845,799,116.55-19,269,627,363.72-5,376,870,172.44

Finding the Fourth Proportional to 12,845,799,116.55, 19,269,627,363.72 and 5,376,870,172.44

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Solution

The fourth proportional to 12,845,799,116.55, 19,269,627,363.72 and 5,376,870,172.44 is: 8,065,693,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845,799,116.55 : 19,269,627,363.72 = 5,376,870,172.44 : x
  2. Step 2: Convert to fraction form
    12,845,799,116.55/19,269,627,363.72 = 5,376,870,172.44/x
  3. Step 3: Cross multiply
    12,845,799,116.55x = 19,269,627,363.72 × 5,376,870,172.44
  4. Step 4: Simplify right side
    12,845,799,116.55x = 103,610,284,606,019,698,688
  5. Step 5: Solve for x
    x = 103,610,284,606,019,698,688/12,845,799,116.55
  6. Step 6: Final answer
    x = 8,065,693,980.26

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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.