Home / 738,069,645.40-1,018,537,935.83-403,563,776.92

Finding the Fourth Proportional to 738,069,645.40, 1,018,537,935.83 and 403,563,776.92

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Solution

The fourth proportional to 738,069,645.40, 1,018,537,935.83 and 403,563,776.92 is: 556,919,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,069,645.40 : 1,018,537,935.83 = 403,563,776.92 : x
  2. Step 2: Convert to fraction form
    738,069,645.40/1,018,537,935.83 = 403,563,776.92/x
  3. Step 3: Cross multiply
    738,069,645.40x = 1,018,537,935.83 × 403,563,776.92
  4. Step 4: Simplify right side
    738,069,645.40x = 411,045,016,319,855,424
  5. Step 5: Solve for x
    x = 411,045,016,319,855,424/738,069,645.40
  6. Step 6: Final answer
    x = 556,919,010.13

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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.