Home / 1,478,755,358.21-2,214,611,824.25-855,657,434.86

Finding the Fourth Proportional to 1,478,755,358.21, 2,214,611,824.25 and 855,657,434.86

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Solution

The fourth proportional to 1,478,755,358.21, 2,214,611,824.25 and 855,657,434.86 is: 1,281,448,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,755,358.21 : 2,214,611,824.25 = 855,657,434.86 : x
  2. Step 2: Convert to fraction form
    1,478,755,358.21/2,214,611,824.25 = 855,657,434.86/x
  3. Step 3: Cross multiply
    1,478,755,358.21x = 2,214,611,824.25 × 855,657,434.86
  4. Step 4: Simplify right side
    1,478,755,358.21x = 1,894,949,072,744,982,784
  5. Step 5: Solve for x
    x = 1,894,949,072,744,982,784/1,478,755,358.21
  6. Step 6: Final answer
    x = 1,281,448,660.34

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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.