Home / 1,372,989,411.77-1,895,128,623.98-896,752,585.78

Finding the Fourth Proportional to 1,372,989,411.77, 1,895,128,623.98 and 896,752,585.78

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Solution

The fourth proportional to 1,372,989,411.77, 1,895,128,623.98 and 896,752,585.78 is: 1,237,781,937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,989,411.77 : 1,895,128,623.98 = 896,752,585.78 : x
  2. Step 2: Convert to fraction form
    1,372,989,411.77/1,895,128,623.98 = 896,752,585.78/x
  3. Step 3: Cross multiply
    1,372,989,411.77x = 1,895,128,623.98 × 896,752,585.78
  4. Step 4: Simplify right side
    1,372,989,411.77x = 1,699,461,493,933,854,720
  5. Step 5: Solve for x
    x = 1,699,461,493,933,854,720/1,372,989,411.77
  6. Step 6: Final answer
    x = 1,237,781,937.26

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1.5x scale

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.