Home / 1,434,852,998.60-2,152,279,497.90-780,117,686.60

Finding the Fourth Proportional to 1,434,852,998.60, 2,152,279,497.90 and 780,117,686.60

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Solution

The fourth proportional to 1,434,852,998.60, 2,152,279,497.90 and 780,117,686.60 is: 1,170,176,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,852,998.60 : 2,152,279,497.90 = 780,117,686.60 : x
  2. Step 2: Convert to fraction form
    1,434,852,998.60/2,152,279,497.90 = 780,117,686.60/x
  3. Step 3: Cross multiply
    1,434,852,998.60x = 2,152,279,497.90 × 780,117,686.60
  4. Step 4: Simplify right side
    1,434,852,998.60x = 1,679,031,302,818,357,760
  5. Step 5: Solve for x
    x = 1,679,031,302,818,357,760/1,434,852,998.60
  6. Step 6: Final answer
    x = 1,170,176,529.90

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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.