Home / 869,124,486.20-1,303,686,729.30-460,977,798.20

Finding the Fourth Proportional to 869,124,486.20, 1,303,686,729.30 and 460,977,798.20

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Solution

The fourth proportional to 869,124,486.20, 1,303,686,729.30 and 460,977,798.20 is: 691,466,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,124,486.20 : 1,303,686,729.30 = 460,977,798.20 : x
  2. Step 2: Convert to fraction form
    869,124,486.20/1,303,686,729.30 = 460,977,798.20/x
  3. Step 3: Cross multiply
    869,124,486.20x = 1,303,686,729.30 × 460,977,798.20
  4. Step 4: Simplify right side
    869,124,486.20x = 600,970,638,015,273,344
  5. Step 5: Solve for x
    x = 600,970,638,015,273,344/869,124,486.20
  6. Step 6: Final answer
    x = 691,466,697.30

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Double scale
Find fourth proportional to 869,124,487.20, 1,303,686,730.80 and 460,977,799.20
Similar ratio
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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.