Home / 738,069,642.90-1,018,537,932.38-403,563,774.42

Finding the Fourth Proportional to 738,069,642.90, 1,018,537,932.38 and 403,563,774.42

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Solution

The fourth proportional to 738,069,642.90, 1,018,537,932.38 and 403,563,774.42 is: 556,919,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,069,642.90 : 1,018,537,932.38 = 403,563,774.42 : x
  2. Step 2: Convert to fraction form
    738,069,642.90/1,018,537,932.38 = 403,563,774.42/x
  3. Step 3: Cross multiply
    738,069,642.90x = 1,018,537,932.38 × 403,563,774.42
  4. Step 4: Simplify right side
    738,069,642.90x = 411,045,012,379,197,760
  5. Step 5: Solve for x
    x = 411,045,012,379,197,760/738,069,642.90
  6. Step 6: Final answer
    x = 556,919,006.67

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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.