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Finding the Fourth Proportional to 889,761,640.70, 1,334,642,461.05 and 598,768,168.70

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Solution

The fourth proportional to 889,761,640.70, 1,334,642,461.05 and 598,768,168.70 is: 898,152,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,761,640.70 : 1,334,642,461.05 = 598,768,168.70 : x
  2. Step 2: Convert to fraction form
    889,761,640.70/1,334,642,461.05 = 598,768,168.70/x
  3. Step 3: Cross multiply
    889,761,640.70x = 1,334,642,461.05 × 598,768,168.70
  4. Step 4: Simplify right side
    889,761,640.70x = 799,141,422,272,169,600
  5. Step 5: Solve for x
    x = 799,141,422,272,169,600/889,761,640.70
  6. Step 6: Final answer
    x = 898,152,253.05

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Double scale
Find fourth proportional to 889,761,641.70, 1,334,642,462.55 and 598,768,169.70
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.