Home / 459,798,051.40-689,886,033.90-168,804,579.40

Finding the Fourth Proportional to 459,798,051.40, 689,886,033.90 and 168,804,579.40

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Solution

The fourth proportional to 459,798,051.40, 689,886,033.90 and 168,804,579.40 is: 253,276,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,798,051.40 : 689,886,033.90 = 168,804,579.40 : x
  2. Step 2: Convert to fraction form
    459,798,051.40/689,886,033.90 = 168,804,579.40/x
  3. Step 3: Cross multiply
    459,798,051.40x = 689,886,033.90 × 168,804,579.40
  4. Step 4: Simplify right side
    459,798,051.40x = 116,455,921,786,423,648
  5. Step 5: Solve for x
    x = 116,455,921,786,423,648/459,798,051.40
  6. Step 6: Final answer
    x = 253,276,240.37

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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.