Home / 420,184,282.55-579,903,491.55-349,495,178.66

Finding the Fourth Proportional to 420,184,282.55, 579,903,491.55 and 349,495,178.66

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Solution

The fourth proportional to 420,184,282.55, 579,903,491.55 and 349,495,178.66 is: 482,344,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,184,282.55 : 579,903,491.55 = 349,495,178.66 : x
  2. Step 2: Convert to fraction form
    420,184,282.55/579,903,491.55 = 349,495,178.66/x
  3. Step 3: Cross multiply
    420,184,282.55x = 579,903,491.55 × 349,495,178.66
  4. Step 4: Simplify right side
    420,184,282.55x = 202,673,474,381,925,504
  5. Step 5: Solve for x
    x = 202,673,474,381,925,504/420,184,282.55
  6. Step 6: Final answer
    x = 482,344,254.18

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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.