Home / 489,888,009.60-734,832,014.40-144,810,902.40

Finding the Fourth Proportional to 489,888,009.60, 734,832,014.40 and 144,810,902.40

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Solution

The fourth proportional to 489,888,009.60, 734,832,014.40 and 144,810,902.40 is: 217,216,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,888,009.60 : 734,832,014.40 = 144,810,902.40 : x
  2. Step 2: Convert to fraction form
    489,888,009.60/734,832,014.40 = 144,810,902.40/x
  3. Step 3: Cross multiply
    489,888,009.60x = 734,832,014.40 × 144,810,902.40
  4. Step 4: Simplify right side
    489,888,009.60x = 106,411,687,117,673,792
  5. Step 5: Solve for x
    x = 106,411,687,117,673,792/489,888,009.60
  6. Step 6: Final answer
    x = 217,216,353.60

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1.5x scale

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.