Home / 1,380,038,525.76-2,068,848,465.12-519,000,179.52

Finding the Fourth Proportional to 1,380,038,525.76, 2,068,848,465.12 and 519,000,179.52

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Solution

The fourth proportional to 1,380,038,525.76, 2,068,848,465.12 and 519,000,179.52 is: 778,045,471.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,038,525.76 : 2,068,848,465.12 = 519,000,179.52 : x
  2. Step 2: Convert to fraction form
    1,380,038,525.76/2,068,848,465.12 = 519,000,179.52/x
  3. Step 3: Cross multiply
    1,380,038,525.76x = 2,068,848,465.12 × 519,000,179.52
  4. Step 4: Simplify right side
    1,380,038,525.76x = 1,073,732,724,796,956,416
  5. Step 5: Solve for x
    x = 1,073,732,724,796,956,416/1,380,038,525.76
  6. Step 6: Final answer
    x = 778,045,471.02

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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.