Home / 711,550,386.94-981,885,920.97-433,061,131.18

Finding the Fourth Proportional to 711,550,386.94, 981,885,920.97 and 433,061,131.18

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Solution

The fourth proportional to 711,550,386.94, 981,885,920.97 and 433,061,131.18 is: 597,591,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,550,386.94 : 981,885,920.97 = 433,061,131.18 : x
  2. Step 2: Convert to fraction form
    711,550,386.94/981,885,920.97 = 433,061,131.18/x
  3. Step 3: Cross multiply
    711,550,386.94x = 981,885,920.97 × 433,061,131.18
  4. Step 4: Simplify right side
    711,550,386.94x = 425,216,627,624,984,320
  5. Step 5: Solve for x
    x = 425,216,627,624,984,320/711,550,386.94
  6. Step 6: Final answer
    x = 597,591,731.28

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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.