Home / 890,444,447.53-1,335,871,869.64-308,178,699.98

Finding the Fourth Proportional to 890,444,447.53, 1,335,871,869.64 and 308,178,699.98

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Solution

The fourth proportional to 890,444,447.53, 1,335,871,869.64 and 308,178,699.98 is: 462,339,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,444,447.53 : 1,335,871,869.64 = 308,178,699.98 : x
  2. Step 2: Convert to fraction form
    890,444,447.53/1,335,871,869.64 = 308,178,699.98/x
  3. Step 3: Cross multiply
    890,444,447.53x = 1,335,871,869.64 × 308,178,699.98
  4. Step 4: Simplify right side
    890,444,447.53x = 411,687,256,118,057,472
  5. Step 5: Solve for x
    x = 411,687,256,118,057,472/890,444,447.53
  6. Step 6: Final answer
    x = 462,339,068.16

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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.