Home / 510,971,901.49-705,272,422.48-332,799,778.69

Finding the Fourth Proportional to 510,971,901.49, 705,272,422.48 and 332,799,778.69

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Solution

The fourth proportional to 510,971,901.49, 705,272,422.48 and 332,799,778.69 is: 459,349,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,971,901.49 : 705,272,422.48 = 332,799,778.69 : x
  2. Step 2: Convert to fraction form
    510,971,901.49/705,272,422.48 = 332,799,778.69/x
  3. Step 3: Cross multiply
    510,971,901.49x = 705,272,422.48 × 332,799,778.69
  4. Step 4: Simplify right side
    510,971,901.49x = 234,714,506,114,908,992
  5. Step 5: Solve for x
    x = 234,714,506,114,908,992/510,971,901.49
  6. Step 6: Final answer
    x = 459,349,145.09

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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.