Home / 375,210,341.02-517,790,319.66-207,957,400.36

Finding the Fourth Proportional to 375,210,341.02, 517,790,319.66 and 207,957,400.36

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Solution

The fourth proportional to 375,210,341.02, 517,790,319.66 and 207,957,400.36 is: 286,981,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,210,341.02 : 517,790,319.66 = 207,957,400.36 : x
  2. Step 2: Convert to fraction form
    375,210,341.02/517,790,319.66 = 207,957,400.36/x
  3. Step 3: Cross multiply
    375,210,341.02x = 517,790,319.66 × 207,957,400.36
  4. Step 4: Simplify right side
    375,210,341.02x = 107,678,328,808,067,008
  5. Step 5: Solve for x
    x = 107,678,328,808,067,008/375,210,341.02
  6. Step 6: Final answer
    x = 286,981,239.68

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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.