Home / 372,153,999.60-558,230,999.40-249,709,993.20

Finding the Fourth Proportional to 372,153,999.60, 558,230,999.40 and 249,709,993.20

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Solution

The fourth proportional to 372,153,999.60, 558,230,999.40 and 249,709,993.20 is: 374,564,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,153,999.60 : 558,230,999.40 = 249,709,993.20 : x
  2. Step 2: Convert to fraction form
    372,153,999.60/558,230,999.40 = 249,709,993.20/x
  3. Step 3: Cross multiply
    372,153,999.60x = 558,230,999.40 × 249,709,993.20
  4. Step 4: Simplify right side
    372,153,999.60x = 139,395,859,064,203,184
  5. Step 5: Solve for x
    x = 139,395,859,064,203,184/372,153,999.60
  6. Step 6: Final answer
    x = 374,564,989.80

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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.