Home / 354,620,702.40-531,931,053.60-191,362,027.20

Finding the Fourth Proportional to 354,620,702.40, 531,931,053.60 and 191,362,027.20

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Solution

The fourth proportional to 354,620,702.40, 531,931,053.60 and 191,362,027.20 is: 287,043,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,620,702.40 : 531,931,053.60 = 191,362,027.20 : x
  2. Step 2: Convert to fraction form
    354,620,702.40/531,931,053.60 = 191,362,027.20/x
  3. Step 3: Cross multiply
    354,620,702.40x = 531,931,053.60 × 191,362,027.20
  4. Step 4: Simplify right side
    354,620,702.40x = 101,791,404,747,527,856
  5. Step 5: Solve for x
    x = 101,791,404,747,527,856/354,620,702.40
  6. Step 6: Final answer
    x = 287,043,040.80

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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.