Home / 1,303,522,812.30-1,798,870,838.86-708,803,035.02

Finding the Fourth Proportional to 1,303,522,812.30, 1,798,870,838.86 and 708,803,035.02

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Solution

The fourth proportional to 1,303,522,812.30, 1,798,870,838.86 and 708,803,035.02 is: 978,153,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,522,812.30 : 1,798,870,838.86 = 708,803,035.02 : x
  2. Step 2: Convert to fraction form
    1,303,522,812.30/1,798,870,838.86 = 708,803,035.02/x
  3. Step 3: Cross multiply
    1,303,522,812.30x = 1,798,870,838.86 × 708,803,035.02
  4. Step 4: Simplify right side
    1,303,522,812.30x = 1,275,045,110,192,941,312
  5. Step 5: Solve for x
    x = 1,275,045,110,192,941,312/1,303,522,812.30
  6. Step 6: Final answer
    x = 978,153,276.77

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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.