Home / 1,258,983,036.15-1,888,474,554.23-714,787,452.15

Finding the Fourth Proportional to 1,258,983,036.15, 1,888,474,554.23 and 714,787,452.15

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Solution

The fourth proportional to 1,258,983,036.15, 1,888,474,554.23 and 714,787,452.15 is: 1,072,181,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,983,036.15 : 1,888,474,554.23 = 714,787,452.15 : x
  2. Step 2: Convert to fraction form
    1,258,983,036.15/1,888,474,554.23 = 714,787,452.15/x
  3. Step 3: Cross multiply
    1,258,983,036.15x = 1,888,474,554.23 × 714,787,452.15
  4. Step 4: Simplify right side
    1,258,983,036.15x = 1,349,857,915,064,594,688
  5. Step 5: Solve for x
    x = 1,349,857,915,064,594,688/1,258,983,036.15
  6. Step 6: Final answer
    x = 1,072,181,178.23

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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.