Home / 896,860,868.20-1,345,291,302.30-664,408,574.80

Finding the Fourth Proportional to 896,860,868.20, 1,345,291,302.30 and 664,408,574.80

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Solution

The fourth proportional to 896,860,868.20, 1,345,291,302.30 and 664,408,574.80 is: 996,612,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,860,868.20 : 1,345,291,302.30 = 664,408,574.80 : x
  2. Step 2: Convert to fraction form
    896,860,868.20/1,345,291,302.30 = 664,408,574.80/x
  3. Step 3: Cross multiply
    896,860,868.20x = 1,345,291,302.30 × 664,408,574.80
  4. Step 4: Simplify right side
    896,860,868.20x = 893,823,076,851,978,880
  5. Step 5: Solve for x
    x = 893,823,076,851,978,880/896,860,868.20
  6. Step 6: Final answer
    x = 996,612,862.20

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Double scale
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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.