Home / 651,362,427.20-977,043,640.80-288,565,371.20

Finding the Fourth Proportional to 651,362,427.20, 977,043,640.80 and 288,565,371.20

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Solution

The fourth proportional to 651,362,427.20, 977,043,640.80 and 288,565,371.20 is: 432,848,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,362,427.20 : 977,043,640.80 = 288,565,371.20 : x
  2. Step 2: Convert to fraction form
    651,362,427.20/977,043,640.80 = 288,565,371.20/x
  3. Step 3: Cross multiply
    651,362,427.20x = 977,043,640.80 × 288,565,371.20
  4. Step 4: Simplify right side
    651,362,427.20x = 281,940,960,886,051,424
  5. Step 5: Solve for x
    x = 281,940,960,886,051,424/651,362,427.20
  6. Step 6: Final answer
    x = 432,848,056.80

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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.