Home / 351,953,300.40-528,118,907.40-147,502,042.80

Finding the Fourth Proportional to 351,953,300.40, 528,118,907.40 and 147,502,042.80

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Solution

The fourth proportional to 351,953,300.40, 528,118,907.40 and 147,502,042.80 is: 221,332,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,953,300.40 : 528,118,907.40 = 147,502,042.80 : x
  2. Step 2: Convert to fraction form
    351,953,300.40/528,118,907.40 = 147,502,042.80/x
  3. Step 3: Cross multiply
    351,953,300.40x = 528,118,907.40 × 147,502,042.80
  4. Step 4: Simplify right side
    351,953,300.40x = 77,898,617,682,804,032
  5. Step 5: Solve for x
    x = 77,898,617,682,804,032/351,953,300.40
  6. Step 6: Final answer
    x = 221,332,255.14

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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.