Home / 804,819,795.60-1,205,741,658.60-458,745,416.40

Finding the Fourth Proportional to 804,819,795.60, 1,205,741,658.60 and 458,745,416.40

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Solution

The fourth proportional to 804,819,795.60, 1,205,741,658.60 and 458,745,416.40 is: 687,269,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,819,795.60 : 1,205,741,658.60 = 458,745,416.40 : x
  2. Step 2: Convert to fraction form
    804,819,795.60/1,205,741,658.60 = 458,745,416.40/x
  3. Step 3: Cross multiply
    804,819,795.60x = 1,205,741,658.60 × 458,745,416.40
  4. Step 4: Simplify right side
    804,819,795.60x = 553,128,459,245,283,584
  5. Step 5: Solve for x
    x = 553,128,459,245,283,584/804,819,795.60
  6. Step 6: Final answer
    x = 687,269,948.22

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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.