Home / 56,725,690,622.05-78,281,263,008.22-31,004,955,642.80

Finding the Fourth Proportional to 56,725,690,622.05, 78,281,263,008.22 and 31,004,955,642.80

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Solution

The fourth proportional to 56,725,690,622.05, 78,281,263,008.22 and 31,004,955,642.80 is: 42,786,734,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,725,690,622.05 : 78,281,263,008.22 = 31,004,955,642.80 : x
  2. Step 2: Convert to fraction form
    56,725,690,622.05/78,281,263,008.22 = 31,004,955,642.80/x
  3. Step 3: Cross multiply
    56,725,690,622.05x = 78,281,263,008.22 × 31,004,955,642.80
  4. Step 4: Simplify right side
    56,725,690,622.05x = 2,427,107,087,231,784,845,312
  5. Step 5: Solve for x
    x = 2,427,107,087,231,784,845,312/56,725,690,622.05
  6. Step 6: Final answer
    x = 42,786,734,909.99

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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.