Home / 509,870,572.24-764,762,048.61-310,398,087.85

Finding the Fourth Proportional to 509,870,572.24, 764,762,048.61 and 310,398,087.85

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Solution

The fourth proportional to 509,870,572.24, 764,762,048.61 and 310,398,087.85 is: 465,570,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,870,572.24 : 764,762,048.61 = 310,398,087.85 : x
  2. Step 2: Convert to fraction form
    509,870,572.24/764,762,048.61 = 310,398,087.85/x
  3. Step 3: Cross multiply
    509,870,572.24x = 764,762,048.61 × 310,398,087.85
  4. Step 4: Simplify right side
    509,870,572.24x = 237,380,677,548,792,768
  5. Step 5: Solve for x
    x = 237,380,677,548,792,768/509,870,572.24
  6. Step 6: Final answer
    x = 465,570,461.35

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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.