Home / 1,068,877,005.20-1,603,315,507.80-965,564,874.80

Finding the Fourth Proportional to 1,068,877,005.20, 1,603,315,507.80 and 965,564,874.80

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Solution

The fourth proportional to 1,068,877,005.20, 1,603,315,507.80 and 965,564,874.80 is: 1,448,347,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,877,005.20 : 1,603,315,507.80 = 965,564,874.80 : x
  2. Step 2: Convert to fraction form
    1,068,877,005.20/1,603,315,507.80 = 965,564,874.80/x
  3. Step 3: Cross multiply
    1,068,877,005.20x = 1,603,315,507.80 × 965,564,874.80
  4. Step 4: Simplify right side
    1,068,877,005.20x = 1,548,105,137,553,805,312
  5. Step 5: Solve for x
    x = 1,548,105,137,553,805,312/1,068,877,005.20
  6. Step 6: Final answer
    x = 1,448,347,312.20

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1.5x scale

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.