Home / 442,904,206.40-664,356,309.60-270,717,322.40

Finding the Fourth Proportional to 442,904,206.40, 664,356,309.60 and 270,717,322.40

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Solution

The fourth proportional to 442,904,206.40, 664,356,309.60 and 270,717,322.40 is: 406,075,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904,206.40 : 664,356,309.60 = 270,717,322.40 : x
  2. Step 2: Convert to fraction form
    442,904,206.40/664,356,309.60 = 270,717,322.40/x
  3. Step 3: Cross multiply
    442,904,206.40x = 664,356,309.60 × 270,717,322.40
  4. Step 4: Simplify right side
    442,904,206.40x = 179,852,761,254,457,408
  5. Step 5: Solve for x
    x = 179,852,761,254,457,408/442,904,206.40
  6. Step 6: Final answer
    x = 406,075,983.60

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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.