Home / 503,578,006.40-755,367,009.60-299,000,777.60

Finding the Fourth Proportional to 503,578,006.40, 755,367,009.60 and 299,000,777.60

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Solution

The fourth proportional to 503,578,006.40, 755,367,009.60 and 299,000,777.60 is: 448,501,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,578,006.40 : 755,367,009.60 = 299,000,777.60 : x
  2. Step 2: Convert to fraction form
    503,578,006.40/755,367,009.60 = 299,000,777.60/x
  3. Step 3: Cross multiply
    503,578,006.40x = 755,367,009.60 × 299,000,777.60
  4. Step 4: Simplify right side
    503,578,006.40x = 225,855,323,243,786,688
  5. Step 5: Solve for x
    x = 225,855,323,243,786,688/503,578,006.40
  6. Step 6: Final answer
    x = 448,501,166.40

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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.