Home / 7,098,989,168.31-9,796,893,506.64-3,927,118,398.72

Finding the Fourth Proportional to 7,098,989,168.31, 9,796,893,506.64 and 3,927,118,398.72

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Solution

The fourth proportional to 7,098,989,168.31, 9,796,893,506.64 and 3,927,118,398.72 is: 5,419,582,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,989,168.31 : 9,796,893,506.64 = 3,927,118,398.72 : x
  2. Step 2: Convert to fraction form
    7,098,989,168.31/9,796,893,506.64 = 3,927,118,398.72/x
  3. Step 3: Cross multiply
    7,098,989,168.31x = 9,796,893,506.64 × 3,927,118,398.72
  4. Step 4: Simplify right side
    7,098,989,168.31x = 38,473,560,740,226,441,216
  5. Step 5: Solve for x
    x = 38,473,560,740,226,441,216/7,098,989,168.31
  6. Step 6: Final answer
    x = 5,419,582,961.47

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1.5x scale

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.