Home / 877,644,569.70-1,211,272,895.34-543,224,363.58

Finding the Fourth Proportional to 877,644,569.70, 1,211,272,895.34 and 543,224,363.58

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Solution

The fourth proportional to 877,644,569.70, 1,211,272,895.34 and 543,224,363.58 is: 749,725,994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,644,569.70 : 1,211,272,895.34 = 543,224,363.58 : x
  2. Step 2: Convert to fraction form
    877,644,569.70/1,211,272,895.34 = 543,224,363.58/x
  3. Step 3: Cross multiply
    877,644,569.70x = 1,211,272,895.34 × 543,224,363.58
  4. Step 4: Simplify right side
    877,644,569.70x = 657,992,947,692,775,424
  5. Step 5: Solve for x
    x = 657,992,947,692,775,424/877,644,569.70
  6. Step 6: Final answer
    x = 749,725,994.34

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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.