Home / 1,258,983,029.40-1,888,474,544.10-714,787,445.40

Finding the Fourth Proportional to 1,258,983,029.40, 1,888,474,544.10 and 714,787,445.40

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Solution

The fourth proportional to 1,258,983,029.40, 1,888,474,544.10 and 714,787,445.40 is: 1,072,181,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,983,029.40 : 1,888,474,544.10 = 714,787,445.40 : x
  2. Step 2: Convert to fraction form
    1,258,983,029.40/1,888,474,544.10 = 714,787,445.40/x
  3. Step 3: Cross multiply
    1,258,983,029.40x = 1,888,474,544.10 × 714,787,445.40
  4. Step 4: Simplify right side
    1,258,983,029.40x = 1,349,857,895,080,168,448
  5. Step 5: Solve for x
    x = 1,349,857,895,080,168,448/1,258,983,029.40
  6. Step 6: Final answer
    x = 1,072,181,168.10

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Double scale
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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.