Home / 472,459,460.04-709,050,910.14-213,856,287.48

Finding the Fourth Proportional to 472,459,460.04, 709,050,910.14 and 213,856,287.48

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Solution

The fourth proportional to 472,459,460.04, 709,050,910.14 and 213,856,287.48 is: 320,948,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,459,460.04 : 709,050,910.14 = 213,856,287.48 : x
  2. Step 2: Convert to fraction form
    472,459,460.04/709,050,910.14 = 213,856,287.48/x
  3. Step 3: Cross multiply
    472,459,460.04x = 709,050,910.14 × 213,856,287.48
  4. Step 4: Simplify right side
    472,459,460.04x = 151,634,995,276,855,488
  5. Step 5: Solve for x
    x = 151,634,995,276,855,488/472,459,460.04
  6. Step 6: Final answer
    x = 320,948,161.91

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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.