Home / 16,921,207,259.80-25,365,686,576.10-13,188,428,661.40

Finding the Fourth Proportional to 16,921,207,259.80, 25,365,686,576.10 and 13,188,428,661.40

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Solution

The fourth proportional to 16,921,207,259.80, 25,365,686,576.10 and 13,188,428,661.40 is: 19,770,075,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921,207,259.80 : 25,365,686,576.10 = 13,188,428,661.40 : x
  2. Step 2: Convert to fraction form
    16,921,207,259.80/25,365,686,576.10 = 13,188,428,661.40/x
  3. Step 3: Cross multiply
    16,921,207,259.80x = 25,365,686,576.10 × 13,188,428,661.40
  4. Step 4: Simplify right side
    16,921,207,259.80x = 334,533,547,856,326,426,624
  5. Step 5: Solve for x
    x = 334,533,547,856,326,426,624/16,921,207,259.80
  6. Step 6: Final answer
    x = 19,770,075,664.23

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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.