Home / 577,370,267.20-866,055,400.80-543,358,043.20

Finding the Fourth Proportional to 577,370,267.20, 866,055,400.80 and 543,358,043.20

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Solution

The fourth proportional to 577,370,267.20, 866,055,400.80 and 543,358,043.20 is: 815,037,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,370,267.20 : 866,055,400.80 = 543,358,043.20 : x
  2. Step 2: Convert to fraction form
    577,370,267.20/866,055,400.80 = 543,358,043.20/x
  3. Step 3: Cross multiply
    577,370,267.20x = 866,055,400.80 × 543,358,043.20
  4. Step 4: Simplify right side
    577,370,267.20x = 470,578,167,881,479,744
  5. Step 5: Solve for x
    x = 470,578,167,881,479,744/577,370,267.20
  6. Step 6: Final answer
    x = 815,037,064.80

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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.