Home / 28,678,145,267.80-43,017,217,901.70-16,280,689,619.80

Finding the Fourth Proportional to 28,678,145,267.80, 43,017,217,901.70 and 16,280,689,619.80

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Solution

The fourth proportional to 28,678,145,267.80, 43,017,217,901.70 and 16,280,689,619.80 is: 24,421,034,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678,145,267.80 : 43,017,217,901.70 = 16,280,689,619.80 : x
  2. Step 2: Convert to fraction form
    28,678,145,267.80/43,017,217,901.70 = 16,280,689,619.80/x
  3. Step 3: Cross multiply
    28,678,145,267.80x = 43,017,217,901.70 × 16,280,689,619.80
  4. Step 4: Simplify right side
    28,678,145,267.80x = 700,349,972,964,881,858,560
  5. Step 5: Solve for x
    x = 700,349,972,964,881,858,560/28,678,145,267.80
  6. Step 6: Final answer
    x = 24,421,034,429.70

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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.