Home / 982,915,624.02-1,356,415,500.11-536,879,271.72

Finding the Fourth Proportional to 982,915,624.02, 1,356,415,500.11 and 536,879,271.72

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Solution

The fourth proportional to 982,915,624.02, 1,356,415,500.11 and 536,879,271.72 is: 740,888,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,915,624.02 : 1,356,415,500.11 = 536,879,271.72 : x
  2. Step 2: Convert to fraction form
    982,915,624.02/1,356,415,500.11 = 536,879,271.72/x
  3. Step 3: Cross multiply
    982,915,624.02x = 1,356,415,500.11 × 536,879,271.72
  4. Step 4: Simplify right side
    982,915,624.02x = 728,231,365,846,092,032
  5. Step 5: Solve for x
    x = 728,231,365,846,092,032/982,915,624.02
  6. Step 6: Final answer
    x = 740,888,991.94

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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.