Home / 899,337,752.88-1,240,607,359.80-547,021,500.72

Finding the Fourth Proportional to 899,337,752.88, 1,240,607,359.80 and 547,021,500.72

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Solution

The fourth proportional to 899,337,752.88, 1,240,607,359.80 and 547,021,500.72 is: 754,598,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,337,752.88 : 1,240,607,359.80 = 547,021,500.72 : x
  2. Step 2: Convert to fraction form
    899,337,752.88/1,240,607,359.80 = 547,021,500.72/x
  3. Step 3: Cross multiply
    899,337,752.88x = 1,240,607,359.80 × 547,021,500.72
  4. Step 4: Simplify right side
    899,337,752.88x = 678,638,899,762,072,960
  5. Step 5: Solve for x
    x = 678,638,899,762,072,960/899,337,752.88
  6. Step 6: Final answer
    x = 754,598,478.26

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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.