Home / 659,590,328.74-910,231,345.67-358,172,947.82

Finding the Fourth Proportional to 659,590,328.74, 910,231,345.67 and 358,172,947.82

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Solution

The fourth proportional to 659,590,328.74, 910,231,345.67 and 358,172,947.82 is: 494,276,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,590,328.74 : 910,231,345.67 = 358,172,947.82 : x
  2. Step 2: Convert to fraction form
    659,590,328.74/910,231,345.67 = 358,172,947.82/x
  3. Step 3: Cross multiply
    659,590,328.74x = 910,231,345.67 × 358,172,947.82
  4. Step 4: Simplify right side
    659,590,328.74x = 326,020,244,276,789,248
  5. Step 5: Solve for x
    x = 326,020,244,276,789,248/659,590,328.74
  6. Step 6: Final answer
    x = 494,276,871.68

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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.