Home / 1,225,219,547.55-1,838,714,626.98-487,864,507.87

Finding the Fourth Proportional to 1,225,219,547.55, 1,838,714,626.98 and 487,864,507.87

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Solution

The fourth proportional to 1,225,219,547.55, 1,838,714,626.98 and 487,864,507.87 is: 732,149,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,219,547.55 : 1,838,714,626.98 = 487,864,507.87 : x
  2. Step 2: Convert to fraction form
    1,225,219,547.55/1,838,714,626.98 = 487,864,507.87/x
  3. Step 3: Cross multiply
    1,225,219,547.55x = 1,838,714,626.98 × 487,864,507.87
  4. Step 4: Simplify right side
    1,225,219,547.55x = 897,043,606,596,914,816
  5. Step 5: Solve for x
    x = 897,043,606,596,914,816/1,225,219,547.55
  6. Step 6: Final answer
    x = 732,149,277.56

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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.