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Finding the Fourth Proportional to 950,702,810.40, 1,331,890,927.20 and 950,702,810.40

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Solution

The fourth proportional to 950,702,810.40, 1,331,890,927.20 and 950,702,810.40 is: 1,331,890,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,702,810.40 : 1,331,890,927.20 = 950,702,810.40 : x
  2. Step 2: Convert to fraction form
    950,702,810.40/1,331,890,927.20 = 950,702,810.40/x
  3. Step 3: Cross multiply
    950,702,810.40x = 1,331,890,927.20 × 950,702,810.40
  4. Step 4: Simplify right side
    950,702,810.40x = 1,266,232,447,635,301,888
  5. Step 5: Solve for x
    x = 1,266,232,447,635,301,888/950,702,810.40
  6. Step 6: Final answer
    x = 1,331,890,927.20

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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.