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Finding the Fourth Proportional to 868,765,822.60, 1,303,148,733.90 and 622,602,351.40

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Solution

The fourth proportional to 868,765,822.60, 1,303,148,733.90 and 622,602,351.40 is: 933,903,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,765,822.60 : 1,303,148,733.90 = 622,602,351.40 : x
  2. Step 2: Convert to fraction form
    868,765,822.60/1,303,148,733.90 = 622,602,351.40/x
  3. Step 3: Cross multiply
    868,765,822.60x = 1,303,148,733.90 × 622,602,351.40
  4. Step 4: Simplify right side
    868,765,822.60x = 811,343,465,950,072,960
  5. Step 5: Solve for x
    x = 811,343,465,950,072,960/868,765,822.60
  6. Step 6: Final answer
    x = 933,903,527.10

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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.