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Finding the Fourth Proportional to 805,478,801.60, 1,130,731,422.40 and 805,478,801.60

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Solution

The fourth proportional to 805,478,801.60, 1,130,731,422.40 and 805,478,801.60 is: 1,130,731,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,478,801.60 : 1,130,731,422.40 = 805,478,801.60 : x
  2. Step 2: Convert to fraction form
    805,478,801.60/1,130,731,422.40 = 805,478,801.60/x
  3. Step 3: Cross multiply
    805,478,801.60x = 1,130,731,422.40 × 805,478,801.60
  4. Step 4: Simplify right side
    805,478,801.60x = 910,780,191,046,215,552
  5. Step 5: Solve for x
    x = 910,780,191,046,215,552/805,478,801.60
  6. Step 6: Final answer
    x = 1,130,731,422.40

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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.