Home / 402,840,063.20-604,260,094.80-322,218,495.20

Finding the Fourth Proportional to 402,840,063.20, 604,260,094.80 and 322,218,495.20

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Solution

The fourth proportional to 402,840,063.20, 604,260,094.80 and 322,218,495.20 is: 483,327,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,840,063.20 : 604,260,094.80 = 322,218,495.20 : x
  2. Step 2: Convert to fraction form
    402,840,063.20/604,260,094.80 = 322,218,495.20/x
  3. Step 3: Cross multiply
    402,840,063.20x = 604,260,094.80 × 322,218,495.20
  4. Step 4: Simplify right side
    402,840,063.20x = 194,703,778,455,865,312
  5. Step 5: Solve for x
    x = 194,703,778,455,865,312/402,840,063.20
  6. Step 6: Final answer
    x = 483,327,742.80

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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.