Home / 690,302,964.84-1,035,599,870.64-223,927,973.04

Finding the Fourth Proportional to 690,302,964.84, 1,035,599,870.64 and 223,927,973.04

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Solution

The fourth proportional to 690,302,964.84, 1,035,599,870.64 and 223,927,973.04 is: 335,939,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,302,964.84 : 1,035,599,870.64 = 223,927,973.04 : x
  2. Step 2: Convert to fraction form
    690,302,964.84/1,035,599,870.64 = 223,927,973.04/x
  3. Step 3: Cross multiply
    690,302,964.84x = 1,035,599,870.64 × 223,927,973.04
  4. Step 4: Simplify right side
    690,302,964.84x = 231,899,779,912,901,408
  5. Step 5: Solve for x
    x = 231,899,779,912,901,408/690,302,964.84
  6. Step 6: Final answer
    x = 335,939,133.58

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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.