Home / 486,953,345.32-671,923,852.50-296,117,008.36

Finding the Fourth Proportional to 486,953,345.32, 671,923,852.50 and 296,117,008.36

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Solution

The fourth proportional to 486,953,345.32, 671,923,852.50 and 296,117,008.36 is: 408,597,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,953,345.32 : 671,923,852.50 = 296,117,008.36 : x
  2. Step 2: Convert to fraction form
    486,953,345.32/671,923,852.50 = 296,117,008.36/x
  3. Step 3: Cross multiply
    486,953,345.32x = 671,923,852.50 × 296,117,008.36
  4. Step 4: Simplify right side
    486,953,345.32x = 198,968,081,048,025,920
  5. Step 5: Solve for x
    x = 198,968,081,048,025,920/486,953,345.32
  6. Step 6: Final answer
    x = 408,597,831.72

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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.