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Finding the Fourth Proportional to 295,136,348.40, 442,893,479.40 and 172,314,428.40

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Solution

The fourth proportional to 295,136,348.40, 442,893,479.40 and 172,314,428.40 is: 258,581,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,136,348.40 : 442,893,479.40 = 172,314,428.40 : x
  2. Step 2: Convert to fraction form
    295,136,348.40/442,893,479.40 = 172,314,428.40/x
  3. Step 3: Cross multiply
    295,136,348.40x = 442,893,479.40 × 172,314,428.40
  4. Step 4: Simplify right side
    295,136,348.40x = 76,316,936,744,898,176
  5. Step 5: Solve for x
    x = 76,316,936,744,898,176/295,136,348.40
  6. Step 6: Final answer
    x = 258,581,964.43

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