Home / 990,896,516.32-1,367,476,593.04-544,896,444.96

Finding the Fourth Proportional to 990,896,516.32, 1,367,476,593.04 and 544,896,444.96

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Solution

The fourth proportional to 990,896,516.32, 1,367,476,593.04 and 544,896,444.96 is: 751,978,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,896,516.32 : 1,367,476,593.04 = 544,896,444.96 : x
  2. Step 2: Convert to fraction form
    990,896,516.32/1,367,476,593.04 = 544,896,444.96/x
  3. Step 3: Cross multiply
    990,896,516.32x = 1,367,476,593.04 × 544,896,444.96
  4. Step 4: Simplify right side
    990,896,516.32x = 745,133,134,113,508,736
  5. Step 5: Solve for x
    x = 745,133,134,113,508,736/990,896,516.32
  6. Step 6: Final answer
    x = 751,978,760.49

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Double scale
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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.