Home / 501,464,697.63-692,017,671.56-278,445,285.15

Finding the Fourth Proportional to 501,464,697.63, 692,017,671.56 and 278,445,285.15

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Solution

The fourth proportional to 501,464,697.63, 692,017,671.56 and 278,445,285.15 is: 384,252,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,464,697.63 : 692,017,671.56 = 278,445,285.15 : x
  2. Step 2: Convert to fraction form
    501,464,697.63/692,017,671.56 = 278,445,285.15/x
  3. Step 3: Cross multiply
    501,464,697.63x = 692,017,671.56 × 278,445,285.15
  4. Step 4: Simplify right side
    501,464,697.63x = 192,689,057,884,970,976
  5. Step 5: Solve for x
    x = 192,689,057,884,970,976/501,464,697.63
  6. Step 6: Final answer
    x = 384,252,488.35

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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.