Home / 810,804,613.32-1,216,302,578.28-607,624,090.20

Finding the Fourth Proportional to 810,804,613.32, 1,216,302,578.28 and 607,624,090.20

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Solution

The fourth proportional to 810,804,613.32, 1,216,302,578.28 and 607,624,090.20 is: 911,507,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,804,613.32 : 1,216,302,578.28 = 607,624,090.20 : x
  2. Step 2: Convert to fraction form
    810,804,613.32/1,216,302,578.28 = 607,624,090.20/x
  3. Step 3: Cross multiply
    810,804,613.32x = 1,216,302,578.28 × 607,624,090.20
  4. Step 4: Simplify right side
    810,804,613.32x = 739,054,747,535,299,328
  5. Step 5: Solve for x
    x = 739,054,747,535,299,328/810,804,613.32
  6. Step 6: Final answer
    x = 911,507,822.47

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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.