Home / 1,095,903,009.99-1,643,679,527.45-319,367,030.31

Finding the Fourth Proportional to 1,095,903,009.99, 1,643,679,527.45 and 319,367,030.31

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Solution

The fourth proportional to 1,095,903,009.99, 1,643,679,527.45 and 319,367,030.31 is: 478,999,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,903,009.99 : 1,643,679,527.45 = 319,367,030.31 : x
  2. Step 2: Convert to fraction form
    1,095,903,009.99/1,643,679,527.45 = 319,367,030.31/x
  3. Step 3: Cross multiply
    1,095,903,009.99x = 1,643,679,527.45 × 319,367,030.31
  4. Step 4: Simplify right side
    1,095,903,009.99x = 524,937,049,461,453,760
  5. Step 5: Solve for x
    x = 524,937,049,461,453,760/1,095,903,009.99
  6. Step 6: Final answer
    x = 478,999,550.76

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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.