Home / 12,992,348,024.43-17,928,960,176.46-7,051,772,980.59

Finding the Fourth Proportional to 12,992,348,024.43, 17,928,960,176.46 and 7,051,772,980.59

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Solution

The fourth proportional to 12,992,348,024.43, 17,928,960,176.46 and 7,051,772,980.59 is: 9,731,186,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,348,024.43 : 17,928,960,176.46 = 7,051,772,980.59 : x
  2. Step 2: Convert to fraction form
    12,992,348,024.43/17,928,960,176.46 = 7,051,772,980.59/x
  3. Step 3: Cross multiply
    12,992,348,024.43x = 17,928,960,176.46 × 7,051,772,980.59
  4. Step 4: Simplify right side
    12,992,348,024.43x = 126,430,956,942,434,746,368
  5. Step 5: Solve for x
    x = 126,430,956,942,434,746,368/12,992,348,024.43
  6. Step 6: Final answer
    x = 9,731,186,133.92

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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.