Home / 372,649,795.30-558,974,692.95-127,283,485.60

Finding the Fourth Proportional to 372,649,795.30, 558,974,692.95 and 127,283,485.60

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Solution

The fourth proportional to 372,649,795.30, 558,974,692.95 and 127,283,485.60 is: 190,925,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,649,795.30 : 558,974,692.95 = 127,283,485.60 : x
  2. Step 2: Convert to fraction form
    372,649,795.30/558,974,692.95 = 127,283,485.60/x
  3. Step 3: Cross multiply
    372,649,795.30x = 558,974,692.95 × 127,283,485.60
  4. Step 4: Simplify right side
    372,649,795.30x = 71,148,247,280,865,752
  5. Step 5: Solve for x
    x = 71,148,247,280,865,752/372,649,795.30
  6. Step 6: Final answer
    x = 190,925,228.40

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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.