Home / 711,550,393.56-981,885,930.12-433,061,137.80

Finding the Fourth Proportional to 711,550,393.56, 981,885,930.12 and 433,061,137.80

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Solution

The fourth proportional to 711,550,393.56, 981,885,930.12 and 433,061,137.80 is: 597,591,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,550,393.56 : 981,885,930.12 = 433,061,137.80 : x
  2. Step 2: Convert to fraction form
    711,550,393.56/981,885,930.12 = 433,061,137.80/x
  3. Step 3: Cross multiply
    711,550,393.56x = 981,885,930.12 × 433,061,137.80
  4. Step 4: Simplify right side
    711,550,393.56x = 425,216,638,087,578,496
  5. Step 5: Solve for x
    x = 425,216,638,087,578,496/711,550,393.56
  6. Step 6: Final answer
    x = 597,591,740.42

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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.