Home / 758,630,781.36-1,047,078,897.72-461,209,825.44

Finding the Fourth Proportional to 758,630,781.36, 1,047,078,897.72 and 461,209,825.44

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Solution

The fourth proportional to 758,630,781.36, 1,047,078,897.72 and 461,209,825.44 is: 636,571,949.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,630,781.36 : 1,047,078,897.72 = 461,209,825.44 : x
  2. Step 2: Convert to fraction form
    758,630,781.36/1,047,078,897.72 = 461,209,825.44/x
  3. Step 3: Cross multiply
    758,630,781.36x = 1,047,078,897.72 × 461,209,825.44
  4. Step 4: Simplify right side
    758,630,781.36x = 482,923,075,639,348,800
  5. Step 5: Solve for x
    x = 482,923,075,639,348,800/758,630,781.36
  6. Step 6: Final answer
    x = 636,571,949.76

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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.