Home / 1,617,050,456.40-2,425,575,917.40-390,218,912.40

Finding the Fourth Proportional to 1,617,050,456.40, 2,425,575,917.40 and 390,218,912.40

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Solution

The fourth proportional to 1,617,050,456.40, 2,425,575,917.40 and 390,218,912.40 is: 585,328,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,050,456.40 : 2,425,575,917.40 = 390,218,912.40 : x
  2. Step 2: Convert to fraction form
    1,617,050,456.40/2,425,575,917.40 = 390,218,912.40/x
  3. Step 3: Cross multiply
    1,617,050,456.40x = 2,425,575,917.40 × 390,218,912.40
  4. Step 4: Simplify right side
    1,617,050,456.40x = 946,505,596,431,460,224
  5. Step 5: Solve for x
    x = 946,505,596,431,460,224/1,617,050,456.40
  6. Step 6: Final answer
    x = 585,328,424.78

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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.