Home / 460,174,307.12-690,358,522.47-149,257,776.33

Finding the Fourth Proportional to 460,174,307.12, 690,358,522.47 and 149,257,776.33

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Solution

The fourth proportional to 460,174,307.12, 690,358,522.47 and 149,257,776.33 is: 223,918,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,174,307.12 : 690,358,522.47 = 149,257,776.33 : x
  2. Step 2: Convert to fraction form
    460,174,307.12/690,358,522.47 = 149,257,776.33/x
  3. Step 3: Cross multiply
    460,174,307.12x = 690,358,522.47 × 149,257,776.33
  4. Step 4: Simplify right side
    460,174,307.12x = 103,041,377,934,612,688
  5. Step 5: Solve for x
    x = 103,041,377,934,612,688/460,174,307.12
  6. Step 6: Final answer
    x = 223,918,146.54

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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.