Home / 832,095,851.31-1,148,292,893.90-450,620,847.47

Finding the Fourth Proportional to 832,095,851.31, 1,148,292,893.90 and 450,620,847.47

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Solution

The fourth proportional to 832,095,851.31, 1,148,292,893.90 and 450,620,847.47 is: 621,857,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,095,851.31 : 1,148,292,893.90 = 450,620,847.47 : x
  2. Step 2: Convert to fraction form
    832,095,851.31/1,148,292,893.90 = 450,620,847.47/x
  3. Step 3: Cross multiply
    832,095,851.31x = 1,148,292,893.90 × 450,620,847.47
  4. Step 4: Simplify right side
    832,095,851.31x = 517,444,716,996,994,048
  5. Step 5: Solve for x
    x = 517,444,716,996,994,048/832,095,851.31
  6. Step 6: Final answer
    x = 621,857,104.78

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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.