Home / 316,121,005.19-473,835,597.27-162,776,263.43

Finding the Fourth Proportional to 316,121,005.19, 473,835,597.27 and 162,776,263.43

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Solution

The fourth proportional to 316,121,005.19, 473,835,597.27 and 162,776,263.43 is: 243,986,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,121,005.19 : 473,835,597.27 = 162,776,263.43 : x
  2. Step 2: Convert to fraction form
    316,121,005.19/473,835,597.27 = 162,776,263.43/x
  3. Step 3: Cross multiply
    316,121,005.19x = 473,835,597.27 × 162,776,263.43
  4. Step 4: Simplify right side
    316,121,005.19x = 77,129,188,003,732,912
  5. Step 5: Solve for x
    x = 77,129,188,003,732,912/316,121,005.19
  6. Step 6: Final answer
    x = 243,986,279.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.