Home / 630,044,060.68-869,460,963.78-347,786,658.28

Finding the Fourth Proportional to 630,044,060.68, 869,460,963.78 and 347,786,658.28

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Solution

The fourth proportional to 630,044,060.68, 869,460,963.78 and 347,786,658.28 is: 479,945,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,044,060.68 : 869,460,963.78 = 347,786,658.28 : x
  2. Step 2: Convert to fraction form
    630,044,060.68/869,460,963.78 = 347,786,658.28/x
  3. Step 3: Cross multiply
    630,044,060.68x = 869,460,963.78 × 347,786,658.28
  4. Step 4: Simplify right side
    630,044,060.68x = 302,386,923,097,954,304
  5. Step 5: Solve for x
    x = 302,386,923,097,954,304/630,044,060.68
  6. Step 6: Final answer
    x = 479,945,676.77

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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.