Home / 738,069,603.40-1,018,537,878.27-403,563,734.92

Finding the Fourth Proportional to 738,069,603.40, 1,018,537,878.27 and 403,563,734.92

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Solution

The fourth proportional to 738,069,603.40, 1,018,537,878.27 and 403,563,734.92 is: 556,918,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,069,603.40 : 1,018,537,878.27 = 403,563,734.92 : x
  2. Step 2: Convert to fraction form
    738,069,603.40/1,018,537,878.27 = 403,563,734.92/x
  3. Step 3: Cross multiply
    738,069,603.40x = 1,018,537,878.27 × 403,563,734.92
  4. Step 4: Simplify right side
    738,069,603.40x = 411,044,950,312,133,504
  5. Step 5: Solve for x
    x = 411,044,950,312,133,504/738,069,603.40
  6. Step 6: Final answer
    x = 556,918,952.38

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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.