Home / 1,035,334,196.64-1,428,796,445.04-612,310,482.18

Finding the Fourth Proportional to 1,035,334,196.64, 1,428,796,445.04 and 612,310,482.18

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Solution

The fourth proportional to 1,035,334,196.64, 1,428,796,445.04 and 612,310,482.18 is: 845,009,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,334,196.64 : 1,428,796,445.04 = 612,310,482.18 : x
  2. Step 2: Convert to fraction form
    1,035,334,196.64/1,428,796,445.04 = 612,310,482.18/x
  3. Step 3: Cross multiply
    1,035,334,196.64x = 1,428,796,445.04 × 612,310,482.18
  4. Step 4: Simplify right side
    1,035,334,196.64x = 874,867,040,199,512,192
  5. Step 5: Solve for x
    x = 874,867,040,199,512,192/1,035,334,196.64
  6. Step 6: Final answer
    x = 845,009,314.90

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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.