Home / 390,662,299,905.45-585,792,244,685.27-175,346,257,203.43

Finding the Fourth Proportional to 390,662,299,905.45, 585,792,244,685.27 and 175,346,257,203.43

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Solution

The fourth proportional to 390,662,299,905.45, 585,792,244,685.27 and 175,346,257,203.43 is: 262,929,076,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,662,299,905.45 : 585,792,244,685.27 = 175,346,257,203.43 : x
  2. Step 2: Convert to fraction form
    390,662,299,905.45/585,792,244,685.27 = 175,346,257,203.43/x
  3. Step 3: Cross multiply
    390,662,299,905.45x = 585,792,244,685.27 × 175,346,257,203.43
  4. Step 4: Simplify right side
    390,662,299,905.45x = 102,716,477,604,357,946,212,352
  5. Step 5: Solve for x
    x = 102,716,477,604,357,946,212,352/390,662,299,905.45
  6. Step 6: Final answer
    x = 262,929,076,159.17

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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.