Home / 1,680,554,156.40-2,519,130,623.40-990,106,009.20

Finding the Fourth Proportional to 1,680,554,156.40, 2,519,130,623.40 and 990,106,009.20

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Solution

The fourth proportional to 1,680,554,156.40, 2,519,130,623.40 and 990,106,009.20 is: 1,484,157,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,554,156.40 : 2,519,130,623.40 = 990,106,009.20 : x
  2. Step 2: Convert to fraction form
    1,680,554,156.40/2,519,130,623.40 = 990,106,009.20/x
  3. Step 3: Cross multiply
    1,680,554,156.40x = 2,519,130,623.40 × 990,106,009.20
  4. Step 4: Simplify right side
    1,680,554,156.40x = 2,494,206,368,188,082,176
  5. Step 5: Solve for x
    x = 2,494,206,368,188,082,176/1,680,554,156.40
  6. Step 6: Final answer
    x = 1,484,157,091.09

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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.