Home / 1,018,351,253.84-1,528,287,256.94-690,048,145.04

Finding the Fourth Proportional to 1,018,351,253.84, 1,528,287,256.94 and 690,048,145.04

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Solution

The fourth proportional to 1,018,351,253.84, 1,528,287,256.94 and 690,048,145.04 is: 1,035,587,458.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,351,253.84 : 1,528,287,256.94 = 690,048,145.04 : x
  2. Step 2: Convert to fraction form
    1,018,351,253.84/1,528,287,256.94 = 690,048,145.04/x
  3. Step 3: Cross multiply
    1,018,351,253.84x = 1,528,287,256.94 × 690,048,145.04
  4. Step 4: Simplify right side
    1,018,351,253.84x = 1,054,591,786,739,716,864
  5. Step 5: Solve for x
    x = 1,054,591,786,739,716,864/1,018,351,253.84
  6. Step 6: Final answer
    x = 1,035,587,458.42

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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.