Home / 509,870,573.74-764,762,050.86-310,398,089.35

Finding the Fourth Proportional to 509,870,573.74, 764,762,050.86 and 310,398,089.35

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Solution

The fourth proportional to 509,870,573.74, 764,762,050.86 and 310,398,089.35 is: 465,570,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,870,573.74 : 764,762,050.86 = 310,398,089.35 : x
  2. Step 2: Convert to fraction form
    509,870,573.74/764,762,050.86 = 310,398,089.35/x
  3. Step 3: Cross multiply
    509,870,573.74x = 764,762,050.86 × 310,398,089.35
  4. Step 4: Simplify right side
    509,870,573.74x = 237,380,679,394,331,552
  5. Step 5: Solve for x
    x = 237,380,679,394,331,552/509,870,573.74
  6. Step 6: Final answer
    x = 465,570,463.60

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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.