Home / 929,849,227.86-1,283,191,819.31-512,161,513.22

Finding the Fourth Proportional to 929,849,227.86, 1,283,191,819.31 and 512,161,513.22

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Solution

The fourth proportional to 929,849,227.86, 1,283,191,819.31 and 512,161,513.22 is: 706,782,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,849,227.86 : 1,283,191,819.31 = 512,161,513.22 : x
  2. Step 2: Convert to fraction form
    929,849,227.86/1,283,191,819.31 = 512,161,513.22/x
  3. Step 3: Cross multiply
    929,849,227.86x = 1,283,191,819.31 × 512,161,513.22
  4. Step 4: Simplify right side
    929,849,227.86x = 657,201,463,920,357,632
  5. Step 5: Solve for x
    x = 657,201,463,920,357,632/929,849,227.86
  6. Step 6: Final answer
    x = 706,782,824.82

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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.