Home / 654,989,360,807.05-903,932,091,129.75-362,007,980,897.74

Finding the Fourth Proportional to 654,989,360,807.05, 903,932,091,129.75 and 362,007,980,897.74

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Solution

The fourth proportional to 654,989,360,807.05, 903,932,091,129.75 and 362,007,980,897.74 is: 499,596,864,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,989,360,807.05 : 903,932,091,129.75 = 362,007,980,897.74 : x
  2. Step 2: Convert to fraction form
    654,989,360,807.05/903,932,091,129.75 = 362,007,980,897.74/x
  3. Step 3: Cross multiply
    654,989,360,807.05x = 903,932,091,129.75 × 362,007,980,897.74
  4. Step 4: Simplify right side
    654,989,360,807.05x = 327,230,631,178,552,670,683,136
  5. Step 5: Solve for x
    x = 327,230,631,178,552,670,683,136/654,989,360,807.05
  6. Step 6: Final answer
    x = 499,596,864,864.12

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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.