Home / 28,290,072,877.40-42,435,109,357.58-11,497,949,914.02

Finding the Fourth Proportional to 28,290,072,877.40, 42,435,109,357.58 and 11,497,949,914.02

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Solution

The fourth proportional to 28,290,072,877.40, 42,435,109,357.58 and 11,497,949,914.02 is: 17,246,924,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290,072,877.40 : 42,435,109,357.58 = 11,497,949,914.02 : x
  2. Step 2: Convert to fraction form
    28,290,072,877.40/42,435,109,357.58 = 11,497,949,914.02/x
  3. Step 3: Cross multiply
    28,290,072,877.40x = 42,435,109,357.58 × 11,497,949,914.02
  4. Step 4: Simplify right side
    28,290,072,877.40x = 487,916,761,989,358,747,648
  5. Step 5: Solve for x
    x = 487,916,761,989,358,747,648/28,290,072,877.40
  6. Step 6: Final answer
    x = 17,246,924,887.89

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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.