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Finding the Fourth Proportional to 630,362,085.03, 944,790,860.03 and 293,386,177.71

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Solution

The fourth proportional to 630,362,085.03, 944,790,860.03 and 293,386,177.71 is: 439,729,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,362,085.03 : 944,790,860.03 = 293,386,177.71 : x
  2. Step 2: Convert to fraction form
    630,362,085.03/944,790,860.03 = 293,386,177.71/x
  3. Step 3: Cross multiply
    630,362,085.03x = 944,790,860.03 × 293,386,177.71
  4. Step 4: Simplify right side
    630,362,085.03x = 277,188,579,158,078,368
  5. Step 5: Solve for x
    x = 277,188,579,158,078,368/630,362,085.03
  6. Step 6: Final answer
    x = 439,729,142.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.