Home / 209,953,520.40-314,930,280.60-194,648,019.60

Finding the Fourth Proportional to 209,953,520.40, 314,930,280.60 and 194,648,019.60

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Solution

The fourth proportional to 209,953,520.40, 314,930,280.60 and 194,648,019.60 is: 291,972,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,520.40 : 314,930,280.60 = 194,648,019.60 : x
  2. Step 2: Convert to fraction form
    209,953,520.40/314,930,280.60 = 194,648,019.60/x
  3. Step 3: Cross multiply
    209,953,520.40x = 314,930,280.60 × 194,648,019.60
  4. Step 4: Simplify right side
    209,953,520.40x = 61,300,555,430,862,304
  5. Step 5: Solve for x
    x = 61,300,555,430,862,304/209,953,520.40
  6. Step 6: Final answer
    x = 291,972,029.40

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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.