Home / 786,569,096,906.45-1,085,453,896,108.60-439,344,316,673.94

Finding the Fourth Proportional to 786,569,096,906.45, 1,085,453,896,108.60 and 439,344,316,673.94

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Solution

The fourth proportional to 786,569,096,906.45, 1,085,453,896,108.60 and 439,344,316,673.94 is: 606,288,757,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,569,096,906.45 : 1,085,453,896,108.60 = 439,344,316,673.94 : x
  2. Step 2: Convert to fraction form
    786,569,096,906.45/1,085,453,896,108.60 = 439,344,316,673.94/x
  3. Step 3: Cross multiply
    786,569,096,906.45x = 1,085,453,896,108.60 × 439,344,316,673.94
  4. Step 4: Simplify right side
    786,569,096,906.45x = 476,888,000,266,898,723,831,808
  5. Step 5: Solve for x
    x = 476,888,000,266,898,723,831,808/786,569,096,906.45
  6. Step 6: Final answer
    x = 606,288,757,265.55

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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.