Home / 1,521,075,478,887.70-2,099,134,501,294.70-835,987,488,128.98

Finding the Fourth Proportional to 1,521,075,478,887.70, 2,099,134,501,294.70 and 835,987,488,128.98

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Solution

The fourth proportional to 1,521,075,478,887.70, 2,099,134,501,294.70 and 835,987,488,128.98 is: 1,153,690,400,863.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,075,478,887.70 : 2,099,134,501,294.70 = 835,987,488,128.98 : x
  2. Step 2: Convert to fraction form
    1,521,075,478,887.70/2,099,134,501,294.70 = 835,987,488,128.98/x
  3. Step 3: Cross multiply
    1,521,075,478,887.70x = 2,099,134,501,294.70 × 835,987,488,128.98
  4. Step 4: Simplify right side
    1,521,075,478,887.70x = 1,754,850,178,982,235,393,228,800
  5. Step 5: Solve for x
    x = 1,754,850,178,982,235,393,228,800/1,521,075,478,887.70
  6. Step 6: Final answer
    x = 1,153,690,400,863.92

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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.