Home / 1,076,990,897.88-1,486,365,534.48-624,968,440.92

Finding the Fourth Proportional to 1,076,990,897.88, 1,486,365,534.48 and 624,968,440.92

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Solution

The fourth proportional to 1,076,990,897.88, 1,486,365,534.48 and 624,968,440.92 is: 862,524,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,990,897.88 : 1,486,365,534.48 = 624,968,440.92 : x
  2. Step 2: Convert to fraction form
    1,076,990,897.88/1,486,365,534.48 = 624,968,440.92/x
  3. Step 3: Cross multiply
    1,076,990,897.88x = 1,486,365,534.48 × 624,968,440.92
  4. Step 4: Simplify right side
    1,076,990,897.88x = 928,931,550,721,188,096
  5. Step 5: Solve for x
    x = 928,931,550,721,188,096/1,076,990,897.88
  6. Step 6: Final answer
    x = 862,524,978.21

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Double scale
Find fourth proportional to 1,076,990,898.88, 1,486,365,535.86 and 624,968,441.92
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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.