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Finding the Fourth Proportional to 299,592,389.40, 448,716,737.70 and 299,592,389.40

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Solution

The fourth proportional to 299,592,389.40, 448,716,737.70 and 299,592,389.40 is: 448,716,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,592,389.40 : 448,716,737.70 = 299,592,389.40 : x
  2. Step 2: Convert to fraction form
    299,592,389.40/448,716,737.70 = 299,592,389.40/x
  3. Step 3: Cross multiply
    299,592,389.40x = 448,716,737.70 × 299,592,389.40
  4. Step 4: Simplify right side
    299,592,389.40x = 134,432,119,611,316,048
  5. Step 5: Solve for x
    x = 134,432,119,611,316,048/299,592,389.40
  6. Step 6: Final answer
    x = 448,716,737.70

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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.