Home / 30,895,050,972.64-42,639,662,979.12-17,348,208,901.60

Finding the Fourth Proportional to 30,895,050,972.64, 42,639,662,979.12 and 17,348,208,901.60

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Solution

The fourth proportional to 30,895,050,972.64, 42,639,662,979.12 and 17,348,208,901.60 is: 23,943,050,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,895,050,972.64 : 42,639,662,979.12 = 17,348,208,901.60 : x
  2. Step 2: Convert to fraction form
    30,895,050,972.64/42,639,662,979.12 = 17,348,208,901.60/x
  3. Step 3: Cross multiply
    30,895,050,972.64x = 42,639,662,979.12 × 17,348,208,901.60
  4. Step 4: Simplify right side
    30,895,050,972.64x = 739,721,780,855,593,500,672
  5. Step 5: Solve for x
    x = 739,721,780,855,593,500,672/30,895,050,972.64
  6. Step 6: Final answer
    x = 23,943,050,992.56

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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.