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Finding the Fourth Proportional to 976,897,422.60, 1,465,346,133.90 and 970,094,977.80

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Solution

The fourth proportional to 976,897,422.60, 1,465,346,133.90 and 970,094,977.80 is: 1,455,142,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,897,422.60 : 1,465,346,133.90 = 970,094,977.80 : x
  2. Step 2: Convert to fraction form
    976,897,422.60/1,465,346,133.90 = 970,094,977.80/x
  3. Step 3: Cross multiply
    976,897,422.60x = 1,465,346,133.90 × 970,094,977.80
  4. Step 4: Simplify right side
    976,897,422.60x = 1,421,524,925,235,036,416
  5. Step 5: Solve for x
    x = 1,421,524,925,235,036,416/976,897,422.60
  6. Step 6: Final answer
    x = 1,455,142,466.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.