Home / 804,769,141.40-1,207,153,712.10-757,152,027.80

Finding the Fourth Proportional to 804,769,141.40, 1,207,153,712.10 and 757,152,027.80

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Solution

The fourth proportional to 804,769,141.40, 1,207,153,712.10 and 757,152,027.80 is: 1,135,728,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,769,141.40 : 1,207,153,712.10 = 757,152,027.80 : x
  2. Step 2: Convert to fraction form
    804,769,141.40/1,207,153,712.10 = 757,152,027.80/x
  3. Step 3: Cross multiply
    804,769,141.40x = 1,207,153,712.10 × 757,152,027.80
  4. Step 4: Simplify right side
    804,769,141.40x = 913,998,880,982,812,288
  5. Step 5: Solve for x
    x = 913,998,880,982,812,288/804,769,141.40
  6. Step 6: Final answer
    x = 1,135,728,041.70

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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.