Home / 374,680,138.40-517,064,712.39-205,131,547.31

Finding the Fourth Proportional to 374,680,138.40, 517,064,712.39 and 205,131,547.31

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Solution

The fourth proportional to 374,680,138.40, 517,064,712.39 and 205,131,547.31 is: 283,084,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,680,138.40 : 517,064,712.39 = 205,131,547.31 : x
  2. Step 2: Convert to fraction form
    374,680,138.40/517,064,712.39 = 205,131,547.31/x
  3. Step 3: Cross multiply
    374,680,138.40x = 517,064,712.39 × 205,131,547.31
  4. Step 4: Simplify right side
    374,680,138.40x = 106,066,284,513,253,488
  5. Step 5: Solve for x
    x = 106,066,284,513,253,488/374,680,138.40
  6. Step 6: Final answer
    x = 283,084,886.67

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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.