Home / 418,254,178.58-577,187,576.21-230,078,421.89

Finding the Fourth Proportional to 418,254,178.58, 577,187,576.21 and 230,078,421.89

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Solution

The fourth proportional to 418,254,178.58, 577,187,576.21 and 230,078,421.89 is: 317,506,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,254,178.58 : 577,187,576.21 = 230,078,421.89 : x
  2. Step 2: Convert to fraction form
    418,254,178.58/577,187,576.21 = 230,078,421.89/x
  3. Step 3: Cross multiply
    418,254,178.58x = 577,187,576.21 × 230,078,421.89
  4. Step 4: Simplify right side
    418,254,178.58x = 132,798,406,664,874,576
  5. Step 5: Solve for x
    x = 132,798,406,664,874,576/418,254,178.58
  6. Step 6: Final answer
    x = 317,506,467.28

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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.