Home / 489,890,145.60-734,835,218.40-144,813,038.40

Finding the Fourth Proportional to 489,890,145.60, 734,835,218.40 and 144,813,038.40

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Solution

The fourth proportional to 489,890,145.60, 734,835,218.40 and 144,813,038.40 is: 217,219,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,890,145.60 : 734,835,218.40 = 144,813,038.40 : x
  2. Step 2: Convert to fraction form
    489,890,145.60/734,835,218.40 = 144,813,038.40/x
  3. Step 3: Cross multiply
    489,890,145.60x = 734,835,218.40 × 144,813,038.40
  4. Step 4: Simplify right side
    489,890,145.60x = 106,413,720,699,831,584
  5. Step 5: Solve for x
    x = 106,413,720,699,831,584/489,890,145.60
  6. Step 6: Final answer
    x = 217,219,557.60

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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.