Home / 328,466,946.58-492,637,628.65-98,436,031.23

Finding the Fourth Proportional to 328,466,946.58, 492,637,628.65 and 98,436,031.23

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Solution

The fourth proportional to 328,466,946.58, 492,637,628.65 and 98,436,031.23 is: 147,635,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,466,946.58 : 492,637,628.65 = 98,436,031.23 : x
  2. Step 2: Convert to fraction form
    328,466,946.58/492,637,628.65 = 98,436,031.23/x
  3. Step 3: Cross multiply
    328,466,946.58x = 492,637,628.65 × 98,436,031.23
  4. Step 4: Simplify right side
    328,466,946.58x = 48,493,292,998,864,544
  5. Step 5: Solve for x
    x = 48,493,292,998,864,544/328,466,946.58
  6. Step 6: Final answer
    x = 147,635,229.37

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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.