Home / 207,390,688,607.64-286,245,191,947.20-126,083,234,782.98

Finding the Fourth Proportional to 207,390,688,607.64, 286,245,191,947.20 and 126,083,234,782.98

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Solution

The fourth proportional to 207,390,688,607.64, 286,245,191,947.20 and 126,083,234,782.98 is: 174,022,855,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,390,688,607.64 : 286,245,191,947.20 = 126,083,234,782.98 : x
  2. Step 2: Convert to fraction form
    207,390,688,607.64/286,245,191,947.20 = 126,083,234,782.98/x
  3. Step 3: Cross multiply
    207,390,688,607.64x = 286,245,191,947.20 × 126,083,234,782.98
  4. Step 4: Simplify right side
    207,390,688,607.64x = 36,090,719,741,777,994,055,680
  5. Step 5: Solve for x
    x = 36,090,719,741,777,994,055,680/207,390,688,607.64
  6. Step 6: Final answer
    x = 174,022,855,047.55

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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.