Home / 654,243,038.70-981,364,558.05-470,577,029.10

Finding the Fourth Proportional to 654,243,038.70, 981,364,558.05 and 470,577,029.10

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Solution

The fourth proportional to 654,243,038.70, 981,364,558.05 and 470,577,029.10 is: 705,865,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,243,038.70 : 981,364,558.05 = 470,577,029.10 : x
  2. Step 2: Convert to fraction form
    654,243,038.70/981,364,558.05 = 470,577,029.10/x
  3. Step 3: Cross multiply
    654,243,038.70x = 981,364,558.05 × 470,577,029.10
  4. Step 4: Simplify right side
    654,243,038.70x = 461,807,618,191,203,520
  5. Step 5: Solve for x
    x = 461,807,618,191,203,520/654,243,038.70
  6. Step 6: Final answer
    x = 705,865,543.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.