Home / 1,043,900,666.46-1,440,634,633.91-647,551,359.72

Finding the Fourth Proportional to 1,043,900,666.46, 1,440,634,633.91 and 647,551,359.72

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Solution

The fourth proportional to 1,043,900,666.46, 1,440,634,633.91 and 647,551,359.72 is: 893,652,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,900,666.46 : 1,440,634,633.91 = 647,551,359.72 : x
  2. Step 2: Convert to fraction form
    1,043,900,666.46/1,440,634,633.91 = 647,551,359.72/x
  3. Step 3: Cross multiply
    1,043,900,666.46x = 1,440,634,633.91 × 647,551,359.72
  4. Step 4: Simplify right side
    1,043,900,666.46x = 932,884,916,048,145,024
  5. Step 5: Solve for x
    x = 932,884,916,048,145,024/1,043,900,666.46
  6. Step 6: Final answer
    x = 893,652,955.71

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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.