Home / 631,802,020.80-947,703,031.20-201,024,062.40

Finding the Fourth Proportional to 631,802,020.80, 947,703,031.20 and 201,024,062.40

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Solution

The fourth proportional to 631,802,020.80, 947,703,031.20 and 201,024,062.40 is: 301,536,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,802,020.80 : 947,703,031.20 = 201,024,062.40 : x
  2. Step 2: Convert to fraction form
    631,802,020.80/947,703,031.20 = 201,024,062.40/x
  3. Step 3: Cross multiply
    631,802,020.80x = 947,703,031.20 × 201,024,062.40
  4. Step 4: Simplify right side
    631,802,020.80x = 190,511,113,280,617,952
  5. Step 5: Solve for x
    x = 190,511,113,280,617,952/631,802,020.80
  6. Step 6: Final answer
    x = 301,536,093.60

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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.