Home / 459,798,060.40-689,886,047.40-168,804,588.40

Finding the Fourth Proportional to 459,798,060.40, 689,886,047.40 and 168,804,588.40

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Solution

The fourth proportional to 459,798,060.40, 689,886,047.40 and 168,804,588.40 is: 253,276,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,798,060.40 : 689,886,047.40 = 168,804,588.40 : x
  2. Step 2: Convert to fraction form
    459,798,060.40/689,886,047.40 = 168,804,588.40/x
  3. Step 3: Cross multiply
    459,798,060.40x = 689,886,047.40 × 168,804,588.40
  4. Step 4: Simplify right side
    459,798,060.40x = 116,455,930,274,259,888
  5. Step 5: Solve for x
    x = 116,455,930,274,259,888/459,798,060.40
  6. Step 6: Final answer
    x = 253,276,253.87

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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.