Home / 783,957,168.80-1,176,752,938.53-347,564,318.75

Finding the Fourth Proportional to 783,957,168.80, 1,176,752,938.53 and 347,564,318.75

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Solution

The fourth proportional to 783,957,168.80, 1,176,752,938.53 and 347,564,318.75 is: 521,708,774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,957,168.80 : 1,176,752,938.53 = 347,564,318.75 : x
  2. Step 2: Convert to fraction form
    783,957,168.80/1,176,752,938.53 = 347,564,318.75/x
  3. Step 3: Cross multiply
    783,957,168.80x = 1,176,752,938.53 × 347,564,318.75
  4. Step 4: Simplify right side
    783,957,168.80x = 408,997,333,411,356,288
  5. Step 5: Solve for x
    x = 408,997,333,411,356,288/783,957,168.80
  6. Step 6: Final answer
    x = 521,708,774.01

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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.