Home / 753,784,431-1,130,677,059.60-344,553,603.36

Finding the Fourth Proportional to 753,784,431, 1,130,677,059.60 and 344,553,603.36

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Solution

The fourth proportional to 753,784,431, 1,130,677,059.60 and 344,553,603.36 is: 516,830,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,784,431 : 1,130,677,059.60 = 344,553,603.36 : x
  2. Step 2: Convert to fraction form
    753,784,431/1,130,677,059.60 = 344,553,603.36/x
  3. Step 3: Cross multiply
    753,784,431x = 1,130,677,059.60 × 344,553,603.36
  4. Step 4: Simplify right side
    753,784,431x = 389,578,855,121,669,440
  5. Step 5: Solve for x
    x = 389,578,855,121,669,440/753,784,431
  6. Step 6: Final answer
    x = 516,830,593.87

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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.