Home / 421,604,317.17-581,832,139.48-233,432,614.63

Finding the Fourth Proportional to 421,604,317.17, 581,832,139.48 and 233,432,614.63

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Solution

The fourth proportional to 421,604,317.17, 581,832,139.48 and 233,432,614.63 is: 322,147,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,604,317.17 : 581,832,139.48 = 233,432,614.63 : x
  2. Step 2: Convert to fraction form
    421,604,317.17/581,832,139.48 = 233,432,614.63/x
  3. Step 3: Cross multiply
    421,604,317.17x = 581,832,139.48 × 233,432,614.63
  4. Step 4: Simplify right side
    421,604,317.17x = 135,818,597,596,038,832
  5. Step 5: Solve for x
    x = 135,818,597,596,038,832/421,604,317.17
  6. Step 6: Final answer
    x = 322,147,075.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.