Home / 7,867,658,953.92-10,858,476,784.98-5,008,887,978.09

Finding the Fourth Proportional to 7,867,658,953.92, 10,858,476,784.98 and 5,008,887,978.09

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Solution

The fourth proportional to 7,867,658,953.92, 10,858,476,784.98 and 5,008,887,978.09 is: 6,912,970,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867,658,953.92 : 10,858,476,784.98 = 5,008,887,978.09 : x
  2. Step 2: Convert to fraction form
    7,867,658,953.92/10,858,476,784.98 = 5,008,887,978.09/x
  3. Step 3: Cross multiply
    7,867,658,953.92x = 10,858,476,784.98 × 5,008,887,978.09
  4. Step 4: Simplify right side
    7,867,658,953.92x = 54,388,893,828,655,677,440
  5. Step 5: Solve for x
    x = 54,388,893,828,655,677,440/7,867,658,953.92
  6. Step 6: Final answer
    x = 6,912,970,446.13

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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.