Home / 520,125,424.92-780,105,087.36-151,574,169

Finding the Fourth Proportional to 520,125,424.92, 780,105,087.36 and 151,574,169

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Solution

The fourth proportional to 520,125,424.92, 780,105,087.36 and 151,574,169 is: 227,337,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,125,424.92 : 780,105,087.36 = 151,574,169 : x
  2. Step 2: Convert to fraction form
    520,125,424.92/780,105,087.36 = 151,574,169/x
  3. Step 3: Cross multiply
    520,125,424.92x = 780,105,087.36 × 151,574,169
  4. Step 4: Simplify right side
    520,125,424.92x = 118,243,780,349,264,400
  5. Step 5: Solve for x
    x = 118,243,780,349,264,400/520,125,424.92
  6. Step 6: Final answer
    x = 227,337,051.19

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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.