Home / 29,462,402,879.34-40,658,132,283.74-15,914,039,968.50

Finding the Fourth Proportional to 29,462,402,879.34, 40,658,132,283.74 and 15,914,039,968.50

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Solution

The fourth proportional to 29,462,402,879.34, 40,658,132,283.74 and 15,914,039,968.50 is: 21,961,383,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,462,402,879.34 : 40,658,132,283.74 = 15,914,039,968.50 : x
  2. Step 2: Convert to fraction form
    29,462,402,879.34/40,658,132,283.74 = 15,914,039,968.50/x
  3. Step 3: Cross multiply
    29,462,402,879.34x = 40,658,132,283.74 × 15,914,039,968.50
  4. Step 4: Simplify right side
    29,462,402,879.34x = 647,035,142,207,998,525,440
  5. Step 5: Solve for x
    x = 647,035,142,207,998,525,440/29,462,402,879.34
  6. Step 6: Final answer
    x = 21,961,383,966.47

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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.