Home / 610,085,421.15-841,918,423.71-331,626,944.70

Finding the Fourth Proportional to 610,085,421.15, 841,918,423.71 and 331,626,944.70

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Solution

The fourth proportional to 610,085,421.15, 841,918,423.71 and 331,626,944.70 is: 457,645,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,085,421.15 : 841,918,423.71 = 331,626,944.70 : x
  2. Step 2: Convert to fraction form
    610,085,421.15/841,918,423.71 = 331,626,944.70/x
  3. Step 3: Cross multiply
    610,085,421.15x = 841,918,423.71 × 331,626,944.70
  4. Step 4: Simplify right side
    610,085,421.15x = 279,202,834,541,587,328
  5. Step 5: Solve for x
    x = 279,202,834,541,587,328/610,085,421.15
  6. Step 6: Final answer
    x = 457,645,478.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.