Home / 15,769,667,262.96-21,762,141,252.12-8,729,136,894.96

Finding the Fourth Proportional to 15,769,667,262.96, 21,762,141,252.12 and 8,729,136,894.96

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Solution

The fourth proportional to 15,769,667,262.96, 21,762,141,252.12 and 8,729,136,894.96 is: 12,046,209,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769,667,262.96 : 21,762,141,252.12 = 8,729,136,894.96 : x
  2. Step 2: Convert to fraction form
    15,769,667,262.96/21,762,141,252.12 = 8,729,136,894.96/x
  3. Step 3: Cross multiply
    15,769,667,262.96x = 21,762,141,252.12 × 8,729,136,894.96
  4. Step 4: Simplify right side
    15,769,667,262.96x = 189,964,710,117,211,668,480
  5. Step 5: Solve for x
    x = 189,964,710,117,211,668,480/15,769,667,262.96
  6. Step 6: Final answer
    x = 12,046,209,152.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.