Home / 655,938,101.40-984,285,065.70-247,287,528.60

Finding the Fourth Proportional to 655,938,101.40, 984,285,065.70 and 247,287,528.60

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Solution

The fourth proportional to 655,938,101.40, 984,285,065.70 and 247,287,528.60 is: 371,073,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,938,101.40 : 984,285,065.70 = 247,287,528.60 : x
  2. Step 2: Convert to fraction form
    655,938,101.40/984,285,065.70 = 247,287,528.60/x
  3. Step 3: Cross multiply
    655,938,101.40x = 984,285,065.70 × 247,287,528.60
  4. Step 4: Simplify right side
    655,938,101.40x = 243,401,421,334,841,632
  5. Step 5: Solve for x
    x = 243,401,421,334,841,632/655,938,101.40
  6. Step 6: Final answer
    x = 371,073,765.67

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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.