Home / 1,148,076,014.88-1,584,834,630.08-771,950,615.36

Finding the Fourth Proportional to 1,148,076,014.88, 1,584,834,630.08 and 771,950,615.36

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Solution

The fourth proportional to 1,148,076,014.88, 1,584,834,630.08 and 771,950,615.36 is: 1,065,621,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,076,014.88 : 1,584,834,630.08 = 771,950,615.36 : x
  2. Step 2: Convert to fraction form
    1,148,076,014.88/1,584,834,630.08 = 771,950,615.36/x
  3. Step 3: Cross multiply
    1,148,076,014.88x = 1,584,834,630.08 × 771,950,615.36
  4. Step 4: Simplify right side
    1,148,076,014.88x = 1,223,414,067,934,093,824
  5. Step 5: Solve for x
    x = 1,223,414,067,934,093,824/1,148,076,014.88
  6. Step 6: Final answer
    x = 1,065,621,136.65

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Double scale
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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.