Home / 719,726,816.70-1,079,590,225.05-447,629,024.70

Finding the Fourth Proportional to 719,726,816.70, 1,079,590,225.05 and 447,629,024.70

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Solution

The fourth proportional to 719,726,816.70, 1,079,590,225.05 and 447,629,024.70 is: 671,443,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,726,816.70 : 1,079,590,225.05 = 447,629,024.70 : x
  2. Step 2: Convert to fraction form
    719,726,816.70/1,079,590,225.05 = 447,629,024.70/x
  3. Step 3: Cross multiply
    719,726,816.70x = 1,079,590,225.05 × 447,629,024.70
  4. Step 4: Simplify right side
    719,726,816.70x = 483,255,919,514,784,960
  5. Step 5: Solve for x
    x = 483,255,919,514,784,960/719,726,816.70
  6. Step 6: Final answer
    x = 671,443,537.05

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1.5x scale

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.