Home / 69,114,128,403.47-103,671,192,853.93-19,427,450,689.22

Finding the Fourth Proportional to 69,114,128,403.47, 103,671,192,853.93 and 19,427,450,689.22

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Solution

The fourth proportional to 69,114,128,403.47, 103,671,192,853.93 and 19,427,450,689.22 is: 29,141,176,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,114,128,403.47 : 103,671,192,853.93 = 19,427,450,689.22 : x
  2. Step 2: Convert to fraction form
    69,114,128,403.47/103,671,192,853.93 = 19,427,450,689.22/x
  3. Step 3: Cross multiply
    69,114,128,403.47x = 103,671,192,853.93 × 19,427,450,689.22
  4. Step 4: Simplify right side
    69,114,128,403.47x = 2,014,066,987,061,823,406,080
  5. Step 5: Solve for x
    x = 2,014,066,987,061,823,406,080/69,114,128,403.47
  6. Step 6: Final answer
    x = 29,141,176,103.74

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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.