Home / 977,589,793.80-1,466,384,690.70-322,641,905.40

Finding the Fourth Proportional to 977,589,793.80, 1,466,384,690.70 and 322,641,905.40

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Solution

The fourth proportional to 977,589,793.80, 1,466,384,690.70 and 322,641,905.40 is: 483,962,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,589,793.80 : 1,466,384,690.70 = 322,641,905.40 : x
  2. Step 2: Convert to fraction form
    977,589,793.80/1,466,384,690.70 = 322,641,905.40/x
  3. Step 3: Cross multiply
    977,589,793.80x = 1,466,384,690.70 × 322,641,905.40
  4. Step 4: Simplify right side
    977,589,793.80x = 473,117,150,656,837,632
  5. Step 5: Solve for x
    x = 473,117,150,656,837,632/977,589,793.80
  6. Step 6: Final answer
    x = 483,962,858.10

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Double scale
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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.