Home / 656,343,106.74-905,716,852.92-358,926,658.74

Finding the Fourth Proportional to 656,343,106.74, 905,716,852.92 and 358,926,658.74

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Solution

The fourth proportional to 656,343,106.74, 905,716,852.92 and 358,926,658.74 is: 495,298,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,343,106.74 : 905,716,852.92 = 358,926,658.74 : x
  2. Step 2: Convert to fraction form
    656,343,106.74/905,716,852.92 = 358,926,658.74/x
  3. Step 3: Cross multiply
    656,343,106.74x = 905,716,852.92 × 358,926,658.74
  4. Step 4: Simplify right side
    656,343,106.74x = 325,085,923,783,083,584
  5. Step 5: Solve for x
    x = 325,085,923,783,083,584/656,343,106.74
  6. Step 6: Final answer
    x = 495,298,755.25

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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.