Home / 210,141,478,923.41-289,995,520,572.08-113,797,731,540.74

Finding the Fourth Proportional to 210,141,478,923.41, 289,995,520,572.08 and 113,797,731,540.74

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Solution

The fourth proportional to 210,141,478,923.41, 289,995,520,572.08 and 113,797,731,540.74 is: 157,041,020,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,141,478,923.41 : 289,995,520,572.08 = 113,797,731,540.74 : x
  2. Step 2: Convert to fraction form
    210,141,478,923.41/289,995,520,572.08 = 113,797,731,540.74/x
  3. Step 3: Cross multiply
    210,141,478,923.41x = 289,995,520,572.08 × 113,797,731,540.74
  4. Step 4: Simplify right side
    210,141,478,923.41x = 33,000,832,398,078,708,285,440
  5. Step 5: Solve for x
    x = 33,000,832,398,078,708,285,440/210,141,478,923.41
  6. Step 6: Final answer
    x = 157,041,020,969.05

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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.