Home / 722,278,812.96-1,081,579,004.28-475,888,461.66

Finding the Fourth Proportional to 722,278,812.96, 1,081,579,004.28 and 475,888,461.66

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Solution

The fourth proportional to 722,278,812.96, 1,081,579,004.28 and 475,888,461.66 is: 712,620,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,278,812.96 : 1,081,579,004.28 = 475,888,461.66 : x
  2. Step 2: Convert to fraction form
    722,278,812.96/1,081,579,004.28 = 475,888,461.66/x
  3. Step 3: Cross multiply
    722,278,812.96x = 1,081,579,004.28 × 475,888,461.66
  4. Step 4: Simplify right side
    722,278,812.96x = 514,710,968,510,563,776
  5. Step 5: Solve for x
    x = 514,710,968,510,563,776/722,278,812.96
  6. Step 6: Final answer
    x = 712,620,887.22

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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.