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Finding the Fourth Proportional to 360,803,475.48, 497,908,796.21 and 195,791,044.98

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Solution

The fourth proportional to 360,803,475.48, 497,908,796.21 and 195,791,044.98 is: 270,191,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,803,475.48 : 497,908,796.21 = 195,791,044.98 : x
  2. Step 2: Convert to fraction form
    360,803,475.48/497,908,796.21 = 195,791,044.98/x
  3. Step 3: Cross multiply
    360,803,475.48x = 497,908,796.21 × 195,791,044.98
  4. Step 4: Simplify right side
    360,803,475.48x = 97,486,083,514,689,760
  5. Step 5: Solve for x
    x = 97,486,083,514,689,760/360,803,475.48
  6. Step 6: Final answer
    x = 270,191,642.10

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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.