Home / 501,553,010.03-692,124,191.82-278,549,056.74

Finding the Fourth Proportional to 501,553,010.03, 692,124,191.82 and 278,549,056.74

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Solution

The fourth proportional to 501,553,010.03, 692,124,191.82 and 278,549,056.74 is: 384,387,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,553,010.03 : 692,124,191.82 = 278,549,056.74 : x
  2. Step 2: Convert to fraction form
    501,553,010.03/692,124,191.82 = 278,549,056.74/x
  3. Step 3: Cross multiply
    501,553,010.03x = 692,124,191.82 × 278,549,056.74
  4. Step 4: Simplify right side
    501,553,010.03x = 192,790,540,778,395,840
  5. Step 5: Solve for x
    x = 192,790,540,778,395,840/501,553,010.03
  6. Step 6: Final answer
    x = 384,387,167.31

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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.