Home / 351,883,297.60-528,076,888.80-147,558,011.20

Finding the Fourth Proportional to 351,883,297.60, 528,076,888.80 and 147,558,011.20

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Solution

The fourth proportional to 351,883,297.60, 528,076,888.80 and 147,558,011.20 is: 221,442,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,883,297.60 : 528,076,888.80 = 147,558,011.20 : x
  2. Step 2: Convert to fraction form
    351,883,297.60/528,076,888.80 = 147,558,011.20/x
  3. Step 3: Cross multiply
    351,883,297.60x = 528,076,888.80 × 147,558,011.20
  4. Step 4: Simplify right side
    351,883,297.60x = 77,921,975,472,011,552
  5. Step 5: Solve for x
    x = 77,921,975,472,011,552/351,883,297.60
  6. Step 6: Final answer
    x = 221,442,665.80

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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.