Home / 30,895,050,974.64-42,639,662,981.88-17,348,208,903.60

Finding the Fourth Proportional to 30,895,050,974.64, 42,639,662,981.88 and 17,348,208,903.60

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Solution

The fourth proportional to 30,895,050,974.64, 42,639,662,981.88 and 17,348,208,903.60 is: 23,943,050,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,895,050,974.64 : 42,639,662,981.88 = 17,348,208,903.60 : x
  2. Step 2: Convert to fraction form
    30,895,050,974.64/42,639,662,981.88 = 17,348,208,903.60/x
  3. Step 3: Cross multiply
    30,895,050,974.64x = 42,639,662,981.88 × 17,348,208,903.60
  4. Step 4: Simplify right side
    30,895,050,974.64x = 739,721,780,988,753,870,848
  5. Step 5: Solve for x
    x = 739,721,780,988,753,870,848/30,895,050,974.64
  6. Step 6: Final answer
    x = 23,943,050,995.32

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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.