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Finding the Fourth Proportional to 338,827,689.95, 508,264,882.88 and 141,892,818.53

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Solution

The fourth proportional to 338,827,689.95, 508,264,882.88 and 141,892,818.53 is: 212,849,005.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,827,689.95 : 508,264,882.88 = 141,892,818.53 : x
  2. Step 2: Convert to fraction form
    338,827,689.95/508,264,882.88 = 141,892,818.53/x
  3. Step 3: Cross multiply
    338,827,689.95x = 508,264,882.88 × 141,892,818.53
  4. Step 4: Simplify right side
    338,827,689.95x = 72,119,136,788,412,752
  5. Step 5: Solve for x
    x = 72,119,136,788,412,752/338,827,689.95
  6. Step 6: Final answer
    x = 212,849,005.35

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