Home / 1,303,551,397.08-1,798,935,020.82-708,870,661.20

Finding the Fourth Proportional to 1,303,551,397.08, 1,798,935,020.82 and 708,870,661.20

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Solution

The fourth proportional to 1,303,551,397.08, 1,798,935,020.82 and 708,870,661.20 is: 978,260,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,551,397.08 : 1,798,935,020.82 = 708,870,661.20 : x
  2. Step 2: Convert to fraction form
    1,303,551,397.08/1,798,935,020.82 = 708,870,661.20/x
  3. Step 3: Cross multiply
    1,303,551,397.08x = 1,798,935,020.82 × 708,870,661.20
  4. Step 4: Simplify right side
    1,303,551,397.08x = 1,275,212,257,664,509,184
  5. Step 5: Solve for x
    x = 1,275,212,257,664,509,184/1,303,551,397.08
  6. Step 6: Final answer
    x = 978,260,052.13

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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.