Home / 1,049,112,145.80-1,573,668,218.70-322,006,379.40

Finding the Fourth Proportional to 1,049,112,145.80, 1,573,668,218.70 and 322,006,379.40

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Solution

The fourth proportional to 1,049,112,145.80, 1,573,668,218.70 and 322,006,379.40 is: 483,009,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,112,145.80 : 1,573,668,218.70 = 322,006,379.40 : x
  2. Step 2: Convert to fraction form
    1,049,112,145.80/1,573,668,218.70 = 322,006,379.40/x
  3. Step 3: Cross multiply
    1,049,112,145.80x = 1,573,668,218.70 × 322,006,379.40
  4. Step 4: Simplify right side
    1,049,112,145.80x = 506,731,205,480,434,368
  5. Step 5: Solve for x
    x = 506,731,205,480,434,368/1,049,112,145.80
  6. Step 6: Final answer
    x = 483,009,569.10

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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.