Home / 7,280,795,624.08-10,047,426,531.24-3,939,220,587.28

Finding the Fourth Proportional to 7,280,795,624.08, 10,047,426,531.24 and 3,939,220,587.28

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Solution

The fourth proportional to 7,280,795,624.08, 10,047,426,531.24 and 3,939,220,587.28 is: 5,436,085,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,795,624.08 : 10,047,426,531.24 = 3,939,220,587.28 : x
  2. Step 2: Convert to fraction form
    7,280,795,624.08/10,047,426,531.24 = 3,939,220,587.28/x
  3. Step 3: Cross multiply
    7,280,795,624.08x = 10,047,426,531.24 × 3,939,220,587.28
  4. Step 4: Simplify right side
    7,280,795,624.08x = 39,579,029,441,043,890,176
  5. Step 5: Solve for x
    x = 39,579,029,441,043,890,176/7,280,795,624.08
  6. Step 6: Final answer
    x = 5,436,085,763.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.