Home / 351,883,285.10-528,076,870.05-147,557,998.70

Finding the Fourth Proportional to 351,883,285.10, 528,076,870.05 and 147,557,998.70

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Solution

The fourth proportional to 351,883,285.10, 528,076,870.05 and 147,557,998.70 is: 221,442,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,883,285.10 : 528,076,870.05 = 147,557,998.70 : x
  2. Step 2: Convert to fraction form
    351,883,285.10/528,076,870.05 = 147,557,998.70/x
  3. Step 3: Cross multiply
    351,883,285.10x = 528,076,870.05 × 147,557,998.70
  4. Step 4: Simplify right side
    351,883,285.10x = 77,921,966,104,337,968
  5. Step 5: Solve for x
    x = 77,921,966,104,337,968/351,883,285.10
  6. Step 6: Final answer
    x = 221,442,647.05

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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.