Home / 1,964,043,978.40-2,946,065,967.60-510,021,402.40

Finding the Fourth Proportional to 1,964,043,978.40, 2,946,065,967.60 and 510,021,402.40

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Solution

The fourth proportional to 1,964,043,978.40, 2,946,065,967.60 and 510,021,402.40 is: 765,032,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,043,978.40 : 2,946,065,967.60 = 510,021,402.40 : x
  2. Step 2: Convert to fraction form
    1,964,043,978.40/2,946,065,967.60 = 510,021,402.40/x
  3. Step 3: Cross multiply
    1,964,043,978.40x = 2,946,065,967.60 × 510,021,402.40
  4. Step 4: Simplify right side
    1,964,043,978.40x = 1,502,556,696,358,264,832
  5. Step 5: Solve for x
    x = 1,502,556,696,358,264,832/1,964,043,978.40
  6. Step 6: Final answer
    x = 765,032,103.60

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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.