Home / 1,437,394,830.40-1,983,610,844.44-777,345,108.40

Finding the Fourth Proportional to 1,437,394,830.40, 1,983,610,844.44 and 777,345,108.40

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Solution

The fourth proportional to 1,437,394,830.40, 1,983,610,844.44 and 777,345,108.40 is: 1,072,739,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,394,830.40 : 1,983,610,844.44 = 777,345,108.40 : x
  2. Step 2: Convert to fraction form
    1,437,394,830.40/1,983,610,844.44 = 777,345,108.40/x
  3. Step 3: Cross multiply
    1,437,394,830.40x = 1,983,610,844.44 × 777,345,108.40
  4. Step 4: Simplify right side
    1,437,394,830.40x = 1,541,950,186,894,627,328
  5. Step 5: Solve for x
    x = 1,541,950,186,894,627,328/1,437,394,830.40
  6. Step 6: Final answer
    x = 1,072,739,482.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.