Home / 11,021,128,531.49-15,208,719,300.72-6,506,461,890.29

Finding the Fourth Proportional to 11,021,128,531.49, 15,208,719,300.72 and 6,506,461,890.29

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Solution

The fourth proportional to 11,021,128,531.49, 15,208,719,300.72 and 6,506,461,890.29 is: 8,978,658,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021,128,531.49 : 15,208,719,300.72 = 6,506,461,890.29 : x
  2. Step 2: Convert to fraction form
    11,021,128,531.49/15,208,719,300.72 = 6,506,461,890.29/x
  3. Step 3: Cross multiply
    11,021,128,531.49x = 15,208,719,300.72 × 6,506,461,890.29
  4. Step 4: Simplify right side
    11,021,128,531.49x = 98,954,952,530,176,606,208
  5. Step 5: Solve for x
    x = 98,954,952,530,176,606,208/11,021,128,531.49
  6. Step 6: Final answer
    x = 8,978,658,786.85

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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.