Home / 892,885,057.92-1,232,208,077.40-490,977,929.52

Finding the Fourth Proportional to 892,885,057.92, 1,232,208,077.40 and 490,977,929.52

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Solution

The fourth proportional to 892,885,057.92, 1,232,208,077.40 and 490,977,929.52 is: 677,564,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,885,057.92 : 1,232,208,077.40 = 490,977,929.52 : x
  2. Step 2: Convert to fraction form
    892,885,057.92/1,232,208,077.40 = 490,977,929.52/x
  3. Step 3: Cross multiply
    892,885,057.92x = 1,232,208,077.40 × 490,977,929.52
  4. Step 4: Simplify right side
    892,885,057.92x = 604,986,970,579,671,936
  5. Step 5: Solve for x
    x = 604,986,970,579,671,936/892,885,057.92
  6. Step 6: Final answer
    x = 677,564,223.09

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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.