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Finding the Fourth Proportional to 591,787,592.80, 830,316,615.20 and 591,787,592.80

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Solution

The fourth proportional to 591,787,592.80, 830,316,615.20 and 591,787,592.80 is: 830,316,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,787,592.80 : 830,316,615.20 = 591,787,592.80 : x
  2. Step 2: Convert to fraction form
    591,787,592.80/830,316,615.20 = 591,787,592.80/x
  3. Step 3: Cross multiply
    591,787,592.80x = 830,316,615.20 × 591,787,592.80
  4. Step 4: Simplify right side
    591,787,592.80x = 491,371,070,971,051,904
  5. Step 5: Solve for x
    x = 491,371,070,971,051,904/591,787,592.80
  6. Step 6: Final answer
    x = 830,316,615.20

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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.