Home / 889,792,046.20-1,334,688,069.30-617,694,254.20

Finding the Fourth Proportional to 889,792,046.20, 1,334,688,069.30 and 617,694,254.20

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Solution

The fourth proportional to 889,792,046.20, 1,334,688,069.30 and 617,694,254.20 is: 926,541,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,792,046.20 : 1,334,688,069.30 = 617,694,254.20 : x
  2. Step 2: Convert to fraction form
    889,792,046.20/1,334,688,069.30 = 617,694,254.20/x
  3. Step 3: Cross multiply
    889,792,046.20x = 1,334,688,069.30 × 617,694,254.20
  4. Step 4: Simplify right side
    889,792,046.20x = 824,429,151,555,901,440
  5. Step 5: Solve for x
    x = 824,429,151,555,901,440/889,792,046.20
  6. Step 6: Final answer
    x = 926,541,381.30

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Half scale
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Double scale
Find fourth proportional to 889,792,047.20, 1,334,688,070.80 and 617,694,255.20
Similar ratio
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1.5x scale

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.