Home / 672,551,088,196.40-928,119,902,088.08-379,637,665,802.16

Finding the Fourth Proportional to 672,551,088,196.40, 928,119,902,088.08 and 379,637,665,802.16

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Solution

The fourth proportional to 672,551,088,196.40, 928,119,902,088.08 and 379,637,665,802.16 is: 523,899,640,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,551,088,196.40 : 928,119,902,088.08 = 379,637,665,802.16 : x
  2. Step 2: Convert to fraction form
    672,551,088,196.40/928,119,902,088.08 = 379,637,665,802.16/x
  3. Step 3: Cross multiply
    672,551,088,196.40x = 928,119,902,088.08 × 379,637,665,802.16
  4. Step 4: Simplify right side
    672,551,088,196.40x = 352,349,273,213,247,961,432,064
  5. Step 5: Solve for x
    x = 352,349,273,213,247,961,432,064/672,551,088,196.40
  6. Step 6: Final answer
    x = 523,899,640,335.36

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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.