Home / 936,036,005.40-1,404,054,008.10-663,938,213.40

Finding the Fourth Proportional to 936,036,005.40, 1,404,054,008.10 and 663,938,213.40

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Solution

The fourth proportional to 936,036,005.40, 1,404,054,008.10 and 663,938,213.40 is: 995,907,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,036,005.40 : 1,404,054,008.10 = 663,938,213.40 : x
  2. Step 2: Convert to fraction form
    936,036,005.40/1,404,054,008.10 = 663,938,213.40/x
  3. Step 3: Cross multiply
    936,036,005.40x = 1,404,054,008.10 × 663,938,213.40
  4. Step 4: Simplify right side
    936,036,005.40x = 932,205,109,655,022,976
  5. Step 5: Solve for x
    x = 932,205,109,655,022,976/936,036,005.40
  6. Step 6: Final answer
    x = 995,907,320.10

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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.