Home / 515,830,935.90-773,848,521.09-147,369,025.02

Finding the Fourth Proportional to 515,830,935.90, 773,848,521.09 and 147,369,025.02

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Solution

The fourth proportional to 515,830,935.90, 773,848,521.09 and 147,369,025.02 is: 221,082,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,830,935.90 : 773,848,521.09 = 147,369,025.02 : x
  2. Step 2: Convert to fraction form
    515,830,935.90/773,848,521.09 = 147,369,025.02/x
  3. Step 3: Cross multiply
    515,830,935.90x = 773,848,521.09 × 147,369,025.02
  4. Step 4: Simplify right side
    515,830,935.90x = 114,041,302,066,202,224
  5. Step 5: Solve for x
    x = 114,041,302,066,202,224/515,830,935.90
  6. Step 6: Final answer
    x = 221,082,711.66

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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.