Home / 9,078,264,007.70-13,617,396,011.55-4,429,218,139.70

Finding the Fourth Proportional to 9,078,264,007.70, 13,617,396,011.55 and 4,429,218,139.70

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Solution

The fourth proportional to 9,078,264,007.70, 13,617,396,011.55 and 4,429,218,139.70 is: 6,643,827,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,264,007.70 : 13,617,396,011.55 = 4,429,218,139.70 : x
  2. Step 2: Convert to fraction form
    9,078,264,007.70/13,617,396,011.55 = 4,429,218,139.70/x
  3. Step 3: Cross multiply
    9,078,264,007.70x = 13,617,396,011.55 × 4,429,218,139.70
  4. Step 4: Simplify right side
    9,078,264,007.70x = 60,314,417,429,835,685,888
  5. Step 5: Solve for x
    x = 60,314,417,429,835,685,888/9,078,264,007.70
  6. Step 6: Final answer
    x = 6,643,827,209.55

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Double scale
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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.