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Finding the Fourth Proportional to 590,938,308.40, 886,407,462.60 and 454,889,412.40

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Solution

The fourth proportional to 590,938,308.40, 886,407,462.60 and 454,889,412.40 is: 682,334,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,938,308.40 : 886,407,462.60 = 454,889,412.40 : x
  2. Step 2: Convert to fraction form
    590,938,308.40/886,407,462.60 = 454,889,412.40/x
  3. Step 3: Cross multiply
    590,938,308.40x = 886,407,462.60 × 454,889,412.40
  4. Step 4: Simplify right side
    590,938,308.40x = 403,217,369,809,088,960
  5. Step 5: Solve for x
    x = 403,217,369,809,088,960/590,938,308.40
  6. Step 6: Final answer
    x = 682,334,118.60

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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.