Home / 1,289,476,897.40-1,934,594,834.34-416,061,880.76

Finding the Fourth Proportional to 1,289,476,897.40, 1,934,594,834.34 and 416,061,880.76

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Solution

The fourth proportional to 1,289,476,897.40, 1,934,594,834.34 and 416,061,880.76 is: 624,215,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,476,897.40 : 1,934,594,834.34 = 416,061,880.76 : x
  2. Step 2: Convert to fraction form
    1,289,476,897.40/1,934,594,834.34 = 416,061,880.76/x
  3. Step 3: Cross multiply
    1,289,476,897.40x = 1,934,594,834.34 × 416,061,880.76
  4. Step 4: Simplify right side
    1,289,476,897.40x = 804,911,165,284,081,024
  5. Step 5: Solve for x
    x = 804,911,165,284,081,024/1,289,476,897.40
  6. Step 6: Final answer
    x = 624,215,266.60

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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.