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Finding the Fourth Proportional to 591,899,897.60, 830,020,345.60 and 591,899,897.60

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Solution

The fourth proportional to 591,899,897.60, 830,020,345.60 and 591,899,897.60 is: 830,020,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,899,897.60 : 830,020,345.60 = 591,899,897.60 : x
  2. Step 2: Convert to fraction form
    591,899,897.60/830,020,345.60 = 591,899,897.60/x
  3. Step 3: Cross multiply
    591,899,897.60x = 830,020,345.60 × 591,899,897.60
  4. Step 4: Simplify right side
    591,899,897.60x = 491,288,957,566,556,672
  5. Step 5: Solve for x
    x = 491,288,957,566,556,672/591,899,897.60
  6. Step 6: Final answer
    x = 830,020,345.60

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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.