Home / 2,113,152,071.80-3,169,728,107.70-1,378,488,033.40

Finding the Fourth Proportional to 2,113,152,071.80, 3,169,728,107.70 and 1,378,488,033.40

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Solution

The fourth proportional to 2,113,152,071.80, 3,169,728,107.70 and 1,378,488,033.40 is: 2,067,732,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,152,071.80 : 3,169,728,107.70 = 1,378,488,033.40 : x
  2. Step 2: Convert to fraction form
    2,113,152,071.80/3,169,728,107.70 = 1,378,488,033.40/x
  3. Step 3: Cross multiply
    2,113,152,071.80x = 3,169,728,107.70 × 1,378,488,033.40
  4. Step 4: Simplify right side
    2,113,152,071.80x = 4,369,432,265,596,076,544
  5. Step 5: Solve for x
    x = 4,369,432,265,596,076,544/2,113,152,071.80
  6. Step 6: Final answer
    x = 2,067,732,050.10

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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.