Home / 28,310,271,290.22-39,069,112,715.10-15,450,615,373.26

Finding the Fourth Proportional to 28,310,271,290.22, 39,069,112,715.10 and 15,450,615,373.26

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Solution

The fourth proportional to 28,310,271,290.22, 39,069,112,715.10 and 15,450,615,373.26 is: 21,322,361,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310,271,290.22 : 39,069,112,715.10 = 15,450,615,373.26 : x
  2. Step 2: Convert to fraction form
    28,310,271,290.22/39,069,112,715.10 = 15,450,615,373.26/x
  3. Step 3: Cross multiply
    28,310,271,290.22x = 39,069,112,715.10 × 15,450,615,373.26
  4. Step 4: Simplify right side
    28,310,271,290.22x = 603,641,833,535,551,832,064
  5. Step 5: Solve for x
    x = 603,641,833,535,551,832,064/28,310,271,290.22
  6. Step 6: Final answer
    x = 21,322,361,320.64

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1.5x scale

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.