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Finding the Fourth Proportional to 868,765,822.10, 1,303,148,733.15 and 622,602,350.90

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Solution

The fourth proportional to 868,765,822.10, 1,303,148,733.15 and 622,602,350.90 is: 933,903,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,765,822.10 : 1,303,148,733.15 = 622,602,350.90 : x
  2. Step 2: Convert to fraction form
    868,765,822.10/1,303,148,733.15 = 622,602,350.90/x
  3. Step 3: Cross multiply
    868,765,822.10x = 1,303,148,733.15 × 622,602,350.90
  4. Step 4: Simplify right side
    868,765,822.10x = 811,343,464,831,546,752
  5. Step 5: Solve for x
    x = 811,343,464,831,546,752/868,765,822.10
  6. Step 6: Final answer
    x = 933,903,526.35

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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.