Home / 1,303,522,812.80-1,798,870,839.55-708,803,035.52

Finding the Fourth Proportional to 1,303,522,812.80, 1,798,870,839.55 and 708,803,035.52

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Solution

The fourth proportional to 1,303,522,812.80, 1,798,870,839.55 and 708,803,035.52 is: 978,153,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,522,812.80 : 1,798,870,839.55 = 708,803,035.52 : x
  2. Step 2: Convert to fraction form
    1,303,522,812.80/1,798,870,839.55 = 708,803,035.52/x
  3. Step 3: Cross multiply
    1,303,522,812.80x = 1,798,870,839.55 × 708,803,035.52
  4. Step 4: Simplify right side
    1,303,522,812.80x = 1,275,045,111,581,450,752
  5. Step 5: Solve for x
    x = 1,275,045,111,581,450,752/1,303,522,812.80
  6. Step 6: Final answer
    x = 978,153,277.46

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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.