Home / 630,369,586.98-869,900,949.46-348,123,970.43

Finding the Fourth Proportional to 630,369,586.98, 869,900,949.46 and 348,123,970.43

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Solution

The fourth proportional to 630,369,586.98, 869,900,949.46 and 348,123,970.43 is: 480,406,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,369,586.98 : 869,900,949.46 = 348,123,970.43 : x
  2. Step 2: Convert to fraction form
    630,369,586.98/869,900,949.46 = 348,123,970.43/x
  3. Step 3: Cross multiply
    630,369,586.98x = 869,900,949.46 × 348,123,970.43
  4. Step 4: Simplify right side
    630,369,586.98x = 302,833,372,406,200,192
  5. Step 5: Solve for x
    x = 302,833,372,406,200,192/630,369,586.98
  6. Step 6: Final answer
    x = 480,406,064.41

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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.