Home / 1,289,476,895.40-1,934,594,831.34-416,061,878.76

Finding the Fourth Proportional to 1,289,476,895.40, 1,934,594,831.34 and 416,061,878.76

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Solution

The fourth proportional to 1,289,476,895.40, 1,934,594,831.34 and 416,061,878.76 is: 624,215,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,476,895.40 : 1,934,594,831.34 = 416,061,878.76 : x
  2. Step 2: Convert to fraction form
    1,289,476,895.40/1,934,594,831.34 = 416,061,878.76/x
  3. Step 3: Cross multiply
    1,289,476,895.40x = 1,934,594,831.34 × 416,061,878.76
  4. Step 4: Simplify right side
    1,289,476,895.40x = 804,911,160,166,705,664
  5. Step 5: Solve for x
    x = 804,911,160,166,705,664/1,289,476,895.40
  6. Step 6: Final answer
    x = 624,215,263.60

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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.