Home / 281,927,518,810.14-389,060,017,929.60-153,469,942,621.83

Finding the Fourth Proportional to 281,927,518,810.14, 389,060,017,929.60 and 153,469,942,621.83

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Solution

The fourth proportional to 281,927,518,810.14, 389,060,017,929.60 and 153,469,942,621.83 is: 211,788,543,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,927,518,810.14 : 389,060,017,929.60 = 153,469,942,621.83 : x
  2. Step 2: Convert to fraction form
    281,927,518,810.14/389,060,017,929.60 = 153,469,942,621.83/x
  3. Step 3: Cross multiply
    281,927,518,810.14x = 389,060,017,929.60 × 153,469,942,621.83
  4. Step 4: Simplify right side
    281,927,518,810.14x = 59,709,018,628,103,855,931,392
  5. Step 5: Solve for x
    x = 59,709,018,628,103,855,931,392/281,927,518,810.14
  6. Step 6: Final answer
    x = 211,788,543,665.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.