Home / 7,116,658,808.54-9,820,776,525.54-3,901,458,860.74

Finding the Fourth Proportional to 7,116,658,808.54, 9,820,776,525.54 and 3,901,458,860.74

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Solution

The fourth proportional to 7,116,658,808.54, 9,820,776,525.54 and 3,901,458,860.74 is: 5,383,896,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116,658,808.54 : 9,820,776,525.54 = 3,901,458,860.74 : x
  2. Step 2: Convert to fraction form
    7,116,658,808.54/9,820,776,525.54 = 3,901,458,860.74/x
  3. Step 3: Cross multiply
    7,116,658,808.54x = 9,820,776,525.54 × 3,901,458,860.74
  4. Step 4: Simplify right side
    7,116,658,808.54x = 38,315,355,594,912,579,584
  5. Step 5: Solve for x
    x = 38,315,355,594,912,579,584/7,116,658,808.54
  6. Step 6: Final answer
    x = 5,383,896,660.74

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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.