Home / 506,506,115,810.15-698,978,439,817.95-289,732,310,351.64

Finding the Fourth Proportional to 506,506,115,810.15, 698,978,439,817.95 and 289,732,310,351.64

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Solution

The fourth proportional to 506,506,115,810.15, 698,978,439,817.95 and 289,732,310,351.64 is: 399,830,588,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,506,115,810.15 : 698,978,439,817.95 = 289,732,310,351.64 : x
  2. Step 2: Convert to fraction form
    506,506,115,810.15/698,978,439,817.95 = 289,732,310,351.64/x
  3. Step 3: Cross multiply
    506,506,115,810.15x = 698,978,439,817.95 × 289,732,310,351.64
  4. Step 4: Simplify right side
    506,506,115,810.15x = 202,516,638,254,439,424,065,536
  5. Step 5: Solve for x
    x = 202,516,638,254,439,424,065,536/506,506,115,810.15
  6. Step 6: Final answer
    x = 399,830,588,285.23

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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.