Home / 18,191,507,673.40-27,287,261,510.10-8,870,457,686.20

Finding the Fourth Proportional to 18,191,507,673.40, 27,287,261,510.10 and 8,870,457,686.20

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Solution

The fourth proportional to 18,191,507,673.40, 27,287,261,510.10 and 8,870,457,686.20 is: 13,305,686,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,507,673.40 : 27,287,261,510.10 = 8,870,457,686.20 : x
  2. Step 2: Convert to fraction form
    18,191,507,673.40/27,287,261,510.10 = 8,870,457,686.20/x
  3. Step 3: Cross multiply
    18,191,507,673.40x = 27,287,261,510.10 × 8,870,457,686.20
  4. Step 4: Simplify right side
    18,191,507,673.40x = 242,050,498,597,615,960,064
  5. Step 5: Solve for x
    x = 242,050,498,597,615,960,064/18,191,507,673.40
  6. Step 6: Final answer
    x = 13,305,686,529.30

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1.5x scale

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.