Home / 799,676,853.60-1,199,515,280.40-697,640,181.60

Finding the Fourth Proportional to 799,676,853.60, 1,199,515,280.40 and 697,640,181.60

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Solution

The fourth proportional to 799,676,853.60, 1,199,515,280.40 and 697,640,181.60 is: 1,046,460,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,676,853.60 : 1,199,515,280.40 = 697,640,181.60 : x
  2. Step 2: Convert to fraction form
    799,676,853.60/1,199,515,280.40 = 697,640,181.60/x
  3. Step 3: Cross multiply
    799,676,853.60x = 1,199,515,280.40 × 697,640,181.60
  4. Step 4: Simplify right side
    799,676,853.60x = 836,830,058,050,231,040
  5. Step 5: Solve for x
    x = 836,830,058,050,231,040/799,676,853.60
  6. Step 6: Final answer
    x = 1,046,460,272.40

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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.