Home / 459,284,903.40-688,927,355.10-168,055,235.40

Finding the Fourth Proportional to 459,284,903.40, 688,927,355.10 and 168,055,235.40

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Solution

The fourth proportional to 459,284,903.40, 688,927,355.10 and 168,055,235.40 is: 252,082,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,284,903.40 : 688,927,355.10 = 168,055,235.40 : x
  2. Step 2: Convert to fraction form
    459,284,903.40/688,927,355.10 = 168,055,235.40/x
  3. Step 3: Cross multiply
    459,284,903.40x = 688,927,355.10 × 168,055,235.40
  4. Step 4: Simplify right side
    459,284,903.40x = 115,777,848,834,829,904
  5. Step 5: Solve for x
    x = 115,777,848,834,829,904/459,284,903.40
  6. Step 6: Final answer
    x = 252,082,853.10

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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.