Home / 506,506,115,812.15-698,978,439,820.73-289,732,310,353.65

Finding the Fourth Proportional to 506,506,115,812.15, 698,978,439,820.73 and 289,732,310,353.65

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Solution

The fourth proportional to 506,506,115,812.15, 698,978,439,820.73 and 289,732,310,353.65 is: 399,830,588,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,506,115,812.15 : 698,978,439,820.73 = 289,732,310,353.65 : x
  2. Step 2: Convert to fraction form
    506,506,115,812.15/698,978,439,820.73 = 289,732,310,353.65/x
  3. Step 3: Cross multiply
    506,506,115,812.15x = 698,978,439,820.73 × 289,732,310,353.65
  4. Step 4: Simplify right side
    506,506,115,812.15x = 202,516,638,256,649,822,273,536
  5. Step 5: Solve for x
    x = 202,516,638,256,649,822,273,536/506,506,115,812.15
  6. Step 6: Final answer
    x = 399,830,588,288.02

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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.