Home / 664,200,187.40-996,300,281.10-470,330,510.60

Finding the Fourth Proportional to 664,200,187.40, 996,300,281.10 and 470,330,510.60

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Solution

The fourth proportional to 664,200,187.40, 996,300,281.10 and 470,330,510.60 is: 705,495,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,200,187.40 : 996,300,281.10 = 470,330,510.60 : x
  2. Step 2: Convert to fraction form
    664,200,187.40/996,300,281.10 = 470,330,510.60/x
  3. Step 3: Cross multiply
    664,200,187.40x = 996,300,281.10 × 470,330,510.60
  4. Step 4: Simplify right side
    664,200,187.40x = 468,590,419,920,686,592
  5. Step 5: Solve for x
    x = 468,590,419,920,686,592/664,200,187.40
  6. Step 6: Final answer
    x = 705,495,765.90

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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.