Home / 1,258,848,612.40-1,888,272,918.60-714,653,028.40

Finding the Fourth Proportional to 1,258,848,612.40, 1,888,272,918.60 and 714,653,028.40

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Solution

The fourth proportional to 1,258,848,612.40, 1,888,272,918.60 and 714,653,028.40 is: 1,071,979,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,848,612.40 : 1,888,272,918.60 = 714,653,028.40 : x
  2. Step 2: Convert to fraction form
    1,258,848,612.40/1,888,272,918.60 = 714,653,028.40/x
  3. Step 3: Cross multiply
    1,258,848,612.40x = 1,888,272,918.60 × 714,653,028.40
  4. Step 4: Simplify right side
    1,258,848,612.40x = 1,349,459,959,723,196,672
  5. Step 5: Solve for x
    x = 1,349,459,959,723,196,672/1,258,848,612.40
  6. Step 6: Final answer
    x = 1,071,979,542.60

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Double scale
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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.