Home / 637,781,626.92-880,138,638-344,426,194.92

Finding the Fourth Proportional to 637,781,626.92, 880,138,638 and 344,426,194.92

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Solution

The fourth proportional to 637,781,626.92, 880,138,638 and 344,426,194.92 is: 475,308,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,781,626.92 : 880,138,638 = 344,426,194.92 : x
  2. Step 2: Convert to fraction form
    637,781,626.92/880,138,638 = 344,426,194.92/x
  3. Step 3: Cross multiply
    637,781,626.92x = 880,138,638 × 344,426,194.92
  4. Step 4: Simplify right side
    637,781,626.92x = 303,142,802,088,411,328
  5. Step 5: Solve for x
    x = 303,142,802,088,411,328/637,781,626.92
  6. Step 6: Final answer
    x = 475,308,145.13

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Double scale
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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.