Home / 42,097,131,955.74-63,153,662,019.75-16,916,809,017.72

Finding the Fourth Proportional to 42,097,131,955.74, 63,153,662,019.75 and 16,916,809,017.72

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Solution

The fourth proportional to 42,097,131,955.74, 63,153,662,019.75 and 16,916,809,017.72 is: 25,378,413,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,097,131,955.74 : 63,153,662,019.75 = 16,916,809,017.72 : x
  2. Step 2: Convert to fraction form
    42,097,131,955.74/63,153,662,019.75 = 16,916,809,017.72/x
  3. Step 3: Cross multiply
    42,097,131,955.74x = 63,153,662,019.75 × 16,916,809,017.72
  4. Step 4: Simplify right side
    42,097,131,955.74x = 1,068,358,439,157,747,810,304
  5. Step 5: Solve for x
    x = 1,068,358,439,157,747,810,304/42,097,131,955.74
  6. Step 6: Final answer
    x = 25,378,413,909.08

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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.