Home / 889,657,329.49-1,227,727,095.18-493,179,314.38

Finding the Fourth Proportional to 889,657,329.49, 1,227,727,095.18 and 493,179,314.38

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Solution

The fourth proportional to 889,657,329.49, 1,227,727,095.18 and 493,179,314.38 is: 680,587,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,657,329.49 : 1,227,727,095.18 = 493,179,314.38 : x
  2. Step 2: Convert to fraction form
    889,657,329.49/1,227,727,095.18 = 493,179,314.38/x
  3. Step 3: Cross multiply
    889,657,329.49x = 1,227,727,095.18 × 493,179,314.38
  4. Step 4: Simplify right side
    889,657,329.49x = 605,489,607,046,621,440
  5. Step 5: Solve for x
    x = 605,489,607,046,621,440/889,657,329.49
  6. Step 6: Final answer
    x = 680,587,443.03

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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.