Home / 838,583,428.26-1,157,296,907.47-462,239,168.46

Finding the Fourth Proportional to 838,583,428.26, 1,157,296,907.47 and 462,239,168.46

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Solution

The fourth proportional to 838,583,428.26, 1,157,296,907.47 and 462,239,168.46 is: 637,918,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,583,428.26 : 1,157,296,907.47 = 462,239,168.46 : x
  2. Step 2: Convert to fraction form
    838,583,428.26/1,157,296,907.47 = 462,239,168.46/x
  3. Step 3: Cross multiply
    838,583,428.26x = 1,157,296,907.47 × 462,239,168.46
  4. Step 4: Simplify right side
    838,583,428.26x = 534,947,960,170,262,336
  5. Step 5: Solve for x
    x = 534,947,960,170,262,336/838,583,428.26
  6. Step 6: Final answer
    x = 637,918,592.41

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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.