Home / 628,845,856.60-867,771,869.40-346,587,442.08

Finding the Fourth Proportional to 628,845,856.60, 867,771,869.40 and 346,587,442.08

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Solution

The fourth proportional to 628,845,856.60, 867,771,869.40 and 346,587,442.08 is: 478,271,152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,845,856.60 : 867,771,869.40 = 346,587,442.08 : x
  2. Step 2: Convert to fraction form
    628,845,856.60/867,771,869.40 = 346,587,442.08/x
  3. Step 3: Cross multiply
    628,845,856.60x = 867,771,869.40 × 346,587,442.08
  4. Step 4: Simplify right side
    628,845,856.60x = 300,758,832,524,325,824
  5. Step 5: Solve for x
    x = 300,758,832,524,325,824/628,845,856.60
  6. Step 6: Final answer
    x = 478,271,152.41

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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.