Home / 670,645,615.82-925,490,994.32-373,281,476.40

Finding the Fourth Proportional to 670,645,615.82, 925,490,994.32 and 373,281,476.40

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Solution

The fourth proportional to 670,645,615.82, 925,490,994.32 and 373,281,476.40 is: 515,128,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,645,615.82 : 925,490,994.32 = 373,281,476.40 : x
  2. Step 2: Convert to fraction form
    670,645,615.82/925,490,994.32 = 373,281,476.40/x
  3. Step 3: Cross multiply
    670,645,615.82x = 925,490,994.32 × 373,281,476.40
  4. Step 4: Simplify right side
    670,645,615.82x = 345,468,644,755,606,784
  5. Step 5: Solve for x
    x = 345,468,644,755,606,784/670,645,615.82
  6. Step 6: Final answer
    x = 515,128,462.20

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1.5x scale

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.