Home / 380,473,655.91-525,066,570.18-363,039,733.91

Finding the Fourth Proportional to 380,473,655.91, 525,066,570.18 and 363,039,733.91

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Solution

The fourth proportional to 380,473,655.91, 525,066,570.18 and 363,039,733.91 is: 501,007,165.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,473,655.91 : 525,066,570.18 = 363,039,733.91 : x
  2. Step 2: Convert to fraction form
    380,473,655.91/525,066,570.18 = 363,039,733.91/x
  3. Step 3: Cross multiply
    380,473,655.91x = 525,066,570.18 × 363,039,733.91
  4. Step 4: Simplify right side
    380,473,655.91x = 190,620,027,920,558,208
  5. Step 5: Solve for x
    x = 190,620,027,920,558,208/380,473,655.91
  6. Step 6: Final answer
    x = 501,007,165.57

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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.