Home / 459,798,043.40-689,886,021.90-168,804,571.40

Finding the Fourth Proportional to 459,798,043.40, 689,886,021.90 and 168,804,571.40

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Solution

The fourth proportional to 459,798,043.40, 689,886,021.90 and 168,804,571.40 is: 253,276,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,798,043.40 : 689,886,021.90 = 168,804,571.40 : x
  2. Step 2: Convert to fraction form
    459,798,043.40/689,886,021.90 = 168,804,571.40/x
  3. Step 3: Cross multiply
    459,798,043.40x = 689,886,021.90 × 168,804,571.40
  4. Step 4: Simplify right side
    459,798,043.40x = 116,455,914,241,680,512
  5. Step 5: Solve for x
    x = 116,455,914,241,680,512/459,798,043.40
  6. Step 6: Final answer
    x = 253,276,228.36

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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.