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Finding the Fourth Proportional to 560,965,851.60, 841,463,211.60 and 265,791,710.40

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Solution

The fourth proportional to 560,965,851.60, 841,463,211.60 and 265,791,710.40 is: 398,694,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,965,851.60 : 841,463,211.60 = 265,791,710.40 : x
  2. Step 2: Convert to fraction form
    560,965,851.60/841,463,211.60 = 265,791,710.40/x
  3. Step 3: Cross multiply
    560,965,851.60x = 841,463,211.60 × 265,791,710.40
  4. Step 4: Simplify right side
    560,965,851.60x = 223,653,946,249,841,120
  5. Step 5: Solve for x
    x = 223,653,946,249,841,120/560,965,851.60
  6. Step 6: Final answer
    x = 398,694,404.68

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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.