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Finding the Fourth Proportional to 885,195,030.80, 1,241,087,028.40 and 885,195,030.80

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Solution

The fourth proportional to 885,195,030.80, 1,241,087,028.40 and 885,195,030.80 is: 1,241,087,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,195,030.80 : 1,241,087,028.40 = 885,195,030.80 : x
  2. Step 2: Convert to fraction form
    885,195,030.80/1,241,087,028.40 = 885,195,030.80/x
  3. Step 3: Cross multiply
    885,195,030.80x = 1,241,087,028.40 × 885,195,030.80
  4. Step 4: Simplify right side
    885,195,030.80x = 1,098,604,070,330,018,560
  5. Step 5: Solve for x
    x = 1,098,604,070,330,018,560/885,195,030.80
  6. Step 6: Final answer
    x = 1,241,087,028.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.