Home / 745,087,671.42-1,028,174,650.06-410,541,472.23

Finding the Fourth Proportional to 745,087,671.42, 1,028,174,650.06 and 410,541,472.23

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Solution

The fourth proportional to 745,087,671.42, 1,028,174,650.06 and 410,541,472.23 is: 566,521,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,087,671.42 : 1,028,174,650.06 = 410,541,472.23 : x
  2. Step 2: Convert to fraction form
    745,087,671.42/1,028,174,650.06 = 410,541,472.23/x
  3. Step 3: Cross multiply
    745,087,671.42x = 1,028,174,650.06 × 410,541,472.23
  4. Step 4: Simplify right side
    745,087,671.42x = 422,108,334,545,197,440
  5. Step 5: Solve for x
    x = 422,108,334,545,197,440/745,087,671.42
  6. Step 6: Final answer
    x = 566,521,700.38

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Double scale
Find fourth proportional to 745,087,672.42, 1,028,174,651.44 and 410,541,473.23
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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.