Home / 694,781,459.16-958,815,071.76-377,255,088.24

Finding the Fourth Proportional to 694,781,459.16, 958,815,071.76 and 377,255,088.24

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Solution

The fourth proportional to 694,781,459.16, 958,815,071.76 and 377,255,088.24 is: 520,621,066.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,781,459.16 : 958,815,071.76 = 377,255,088.24 : x
  2. Step 2: Convert to fraction form
    694,781,459.16/958,815,071.76 = 377,255,088.24/x
  3. Step 3: Cross multiply
    694,781,459.16x = 958,815,071.76 × 377,255,088.24
  4. Step 4: Simplify right side
    694,781,459.16x = 361,717,864,502,660,736
  5. Step 5: Solve for x
    x = 361,717,864,502,660,736/694,781,459.16
  6. Step 6: Final answer
    x = 520,621,066.86

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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.