Home / 29,186,260,005.04-40,275,959,742.84-15,819,966,182.32

Finding the Fourth Proportional to 29,186,260,005.04, 40,275,959,742.84 and 15,819,966,182.32

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Solution

The fourth proportional to 29,186,260,005.04, 40,275,959,742.84 and 15,819,966,182.32 is: 21,830,968,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,186,260,005.04 : 40,275,959,742.84 = 15,819,966,182.32 : x
  2. Step 2: Convert to fraction form
    29,186,260,005.04/40,275,959,742.84 = 15,819,966,182.32/x
  3. Step 3: Cross multiply
    29,186,260,005.04x = 40,275,959,742.84 × 15,819,966,182.32
  4. Step 4: Simplify right side
    29,186,260,005.04x = 637,164,321,092,210,393,088
  5. Step 5: Solve for x
    x = 637,164,321,092,210,393,088/29,186,260,005.04
  6. Step 6: Final answer
    x = 21,830,968,441.39

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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.