Home / 866,941,871.16-1,196,380,553.78-470,464,861.80

Finding the Fourth Proportional to 866,941,871.16, 1,196,380,553.78 and 470,464,861.80

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Solution

The fourth proportional to 866,941,871.16, 1,196,380,553.78 and 470,464,861.80 is: 649,241,928.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,941,871.16 : 1,196,380,553.78 = 470,464,861.80 : x
  2. Step 2: Convert to fraction form
    866,941,871.16/1,196,380,553.78 = 470,464,861.80/x
  3. Step 3: Cross multiply
    866,941,871.16x = 1,196,380,553.78 × 470,464,861.80
  4. Step 4: Simplify right side
    866,941,871.16x = 562,855,011,894,315,200
  5. Step 5: Solve for x
    x = 562,855,011,894,315,200/866,941,871.16
  6. Step 6: Final answer
    x = 649,241,928.00

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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.