Home / 678,331,066,253.16-936,096,876,690.48-373,836,725,666.76

Finding the Fourth Proportional to 678,331,066,253.16, 936,096,876,690.48 and 373,836,725,666.76

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Solution

The fourth proportional to 678,331,066,253.16, 936,096,876,690.48 and 373,836,725,666.76 is: 515,894,684,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,331,066,253.16 : 936,096,876,690.48 = 373,836,725,666.76 : x
  2. Step 2: Convert to fraction form
    678,331,066,253.16/936,096,876,690.48 = 373,836,725,666.76/x
  3. Step 3: Cross multiply
    678,331,066,253.16x = 936,096,876,690.48 × 373,836,725,666.76
  4. Step 4: Simplify right side
    678,331,066,253.16x = 349,947,391,288,849,867,997,184
  5. Step 5: Solve for x
    x = 349,947,391,288,849,867,997,184/678,331,066,253.16
  6. Step 6: Final answer
    x = 515,894,684,319.60

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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.