Home / 705,425,765.04-972,053,127.99-545,685,855.78

Finding the Fourth Proportional to 705,425,765.04, 972,053,127.99 and 545,685,855.78

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Solution

The fourth proportional to 705,425,765.04, 972,053,127.99 and 545,685,855.78 is: 751,936,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,425,765.04 : 972,053,127.99 = 545,685,855.78 : x
  2. Step 2: Convert to fraction form
    705,425,765.04/972,053,127.99 = 545,685,855.78/x
  3. Step 3: Cross multiply
    705,425,765.04x = 972,053,127.99 × 545,685,855.78
  4. Step 4: Simplify right side
    705,425,765.04x = 530,435,643,010,849,024
  5. Step 5: Solve for x
    x = 530,435,643,010,849,024/705,425,765.04
  6. Step 6: Final answer
    x = 751,936,871.74

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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.