Home / 460,404,885.60-690,607,328.40-401,282,402.40

Finding the Fourth Proportional to 460,404,885.60, 690,607,328.40 and 401,282,402.40

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Solution

The fourth proportional to 460,404,885.60, 690,607,328.40 and 401,282,402.40 is: 601,923,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,404,885.60 : 690,607,328.40 = 401,282,402.40 : x
  2. Step 2: Convert to fraction form
    460,404,885.60/690,607,328.40 = 401,282,402.40/x
  3. Step 3: Cross multiply
    460,404,885.60x = 690,607,328.40 × 401,282,402.40
  4. Step 4: Simplify right side
    460,404,885.60x = 277,128,567,855,397,728
  5. Step 5: Solve for x
    x = 277,128,567,855,397,728/460,404,885.60
  6. Step 6: Final answer
    x = 601,923,603.60

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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.