Home / 630,369,589.98-869,900,953.59-348,123,973.44

Finding the Fourth Proportional to 630,369,589.98, 869,900,953.59 and 348,123,973.44

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Solution

The fourth proportional to 630,369,589.98, 869,900,953.59 and 348,123,973.44 is: 480,406,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,369,589.98 : 869,900,953.59 = 348,123,973.44 : x
  2. Step 2: Convert to fraction form
    630,369,589.98/869,900,953.59 = 348,123,973.44/x
  3. Step 3: Cross multiply
    630,369,589.98x = 869,900,953.59 × 348,123,973.44
  4. Step 4: Simplify right side
    630,369,589.98x = 302,833,376,462,995,840
  5. Step 5: Solve for x
    x = 302,833,376,462,995,840/630,369,589.98
  6. Step 6: Final answer
    x = 480,406,068.56

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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.