Home / 347,626,653.80-521,439,980.70-156,523,677.80

Finding the Fourth Proportional to 347,626,653.80, 521,439,980.70 and 156,523,677.80

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Solution

The fourth proportional to 347,626,653.80, 521,439,980.70 and 156,523,677.80 is: 234,785,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,626,653.80 : 521,439,980.70 = 156,523,677.80 : x
  2. Step 2: Convert to fraction form
    347,626,653.80/521,439,980.70 = 156,523,677.80/x
  3. Step 3: Cross multiply
    347,626,653.80x = 521,439,980.70 × 156,523,677.80
  4. Step 4: Simplify right side
    347,626,653.80x = 81,617,703,531,125,024
  5. Step 5: Solve for x
    x = 81,617,703,531,125,024/347,626,653.80
  6. Step 6: Final answer
    x = 234,785,516.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.