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Finding the Fourth Proportional to 435,492,045.70, 653,238,068.55 and 217,813,812.10

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Solution

The fourth proportional to 435,492,045.70, 653,238,068.55 and 217,813,812.10 is: 326,720,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,492,045.70 : 653,238,068.55 = 217,813,812.10 : x
  2. Step 2: Convert to fraction form
    435,492,045.70/653,238,068.55 = 217,813,812.10/x
  3. Step 3: Cross multiply
    435,492,045.70x = 653,238,068.55 × 217,813,812.10
  4. Step 4: Simplify right side
    435,492,045.70x = 142,284,273,919,716,608
  5. Step 5: Solve for x
    x = 142,284,273,919,716,608/435,492,045.70
  6. Step 6: Final answer
    x = 326,720,718.15

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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.