Home / 351,938,833.40-528,097,206.90-147,487,575.80

Finding the Fourth Proportional to 351,938,833.40, 528,097,206.90 and 147,487,575.80

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Solution

The fourth proportional to 351,938,833.40, 528,097,206.90 and 147,487,575.80 is: 221,310,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,938,833.40 : 528,097,206.90 = 147,487,575.80 : x
  2. Step 2: Convert to fraction form
    351,938,833.40/528,097,206.90 = 147,487,575.80/x
  3. Step 3: Cross multiply
    351,938,833.40x = 528,097,206.90 × 147,487,575.80
  4. Step 4: Simplify right side
    351,938,833.40x = 77,887,776,832,432,032
  5. Step 5: Solve for x
    x = 77,887,776,832,432,032/351,938,833.40
  6. Step 6: Final answer
    x = 221,310,550.13

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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.