Home / 711,550,394.56-981,885,931.50-433,061,138.80

Finding the Fourth Proportional to 711,550,394.56, 981,885,931.50 and 433,061,138.80

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Solution

The fourth proportional to 711,550,394.56, 981,885,931.50 and 433,061,138.80 is: 597,591,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,550,394.56 : 981,885,931.50 = 433,061,138.80 : x
  2. Step 2: Convert to fraction form
    711,550,394.56/981,885,931.50 = 433,061,138.80/x
  3. Step 3: Cross multiply
    711,550,394.56x = 981,885,931.50 × 433,061,138.80
  4. Step 4: Simplify right side
    711,550,394.56x = 425,216,639,667,088,832
  5. Step 5: Solve for x
    x = 425,216,639,667,088,832/711,550,394.56
  6. Step 6: Final answer
    x = 597,591,741.80

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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.