Home / 1,980,223,561-2,732,730,264.30-1,088,150,518.36

Finding the Fourth Proportional to 1,980,223,561, 2,732,730,264.30 and 1,088,150,518.36

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Solution

The fourth proportional to 1,980,223,561, 2,732,730,264.30 and 1,088,150,518.36 is: 1,501,659,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,223,561 : 2,732,730,264.30 = 1,088,150,518.36 : x
  2. Step 2: Convert to fraction form
    1,980,223,561/2,732,730,264.30 = 1,088,150,518.36/x
  3. Step 3: Cross multiply
    1,980,223,561x = 2,732,730,264.30 × 1,088,150,518.36
  4. Step 4: Simplify right side
    1,980,223,561x = 2,973,621,853,636,104,704
  5. Step 5: Solve for x
    x = 2,973,621,853,636,104,704/1,980,223,561
  6. Step 6: Final answer
    x = 1,501,659,667.22

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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.