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Finding the Fourth Proportional to 1,402,070,571.01, 1,934,736,857.17 and 775,383,009.13

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Solution

The fourth proportional to 1,402,070,571.01, 1,934,736,857.17 and 775,383,009.13 is: 1,069,961,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,070,571.01 : 1,934,736,857.17 = 775,383,009.13 : x
  2. Step 2: Convert to fraction form
    1,402,070,571.01/1,934,736,857.17 = 775,383,009.13/x
  3. Step 3: Cross multiply
    1,402,070,571.01x = 1,934,736,857.17 × 775,383,009.13
  4. Step 4: Simplify right side
    1,402,070,571.01x = 1,500,162,086,187,193,600
  5. Step 5: Solve for x
    x = 1,500,162,086,187,193,600/1,402,070,571.01
  6. Step 6: Final answer
    x = 1,069,961,895.79

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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.