Home / 679,854,492,425.02-938,212,258,393.91-371,218,088,646.06

Finding the Fourth Proportional to 679,854,492,425.02, 938,212,258,393.91 and 371,218,088,646.06

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Solution

The fourth proportional to 679,854,492,425.02, 938,212,258,393.91 and 371,218,088,646.06 is: 512,288,092,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,854,492,425.02 : 938,212,258,393.91 = 371,218,088,646.06 : x
  2. Step 2: Convert to fraction form
    679,854,492,425.02/938,212,258,393.91 = 371,218,088,646.06/x
  3. Step 3: Cross multiply
    679,854,492,425.02x = 938,212,258,393.91 × 371,218,088,646.06
  4. Step 4: Simplify right side
    679,854,492,425.02x = 348,281,361,305,290,667,982,848
  5. Step 5: Solve for x
    x = 348,281,361,305,290,667,982,848/679,854,492,425.02
  6. Step 6: Final answer
    x = 512,288,092,799.07

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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.