Home / 462,009,989.92-693,016,166.40-116,963,653.84

Finding the Fourth Proportional to 462,009,989.92, 693,016,166.40 and 116,963,653.84

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Solution

The fourth proportional to 462,009,989.92, 693,016,166.40 and 116,963,653.84 is: 175,445,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,009,989.92 : 693,016,166.40 = 116,963,653.84 : x
  2. Step 2: Convert to fraction form
    462,009,989.92/693,016,166.40 = 116,963,653.84/x
  3. Step 3: Cross multiply
    462,009,989.92x = 693,016,166.40 × 116,963,653.84
  4. Step 4: Simplify right side
    462,009,989.92x = 81,057,702,992,333,440
  5. Step 5: Solve for x
    x = 81,057,702,992,333,440/462,009,989.92
  6. Step 6: Final answer
    x = 175,445,779.88

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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.