Home / 1,521,075,478,890-2,099,134,501,298.20-835,987,488,131.35

Finding the Fourth Proportional to 1,521,075,478,890, 2,099,134,501,298.20 and 835,987,488,131.35

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Solution

The fourth proportional to 1,521,075,478,890, 2,099,134,501,298.20 and 835,987,488,131.35 is: 1,153,690,400,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,075,478,890 : 2,099,134,501,298.20 = 835,987,488,131.35 : x
  2. Step 2: Convert to fraction form
    1,521,075,478,890/2,099,134,501,298.20 = 835,987,488,131.35/x
  3. Step 3: Cross multiply
    1,521,075,478,890x = 2,099,134,501,298.20 × 835,987,488,131.35
  4. Step 4: Simplify right side
    1,521,075,478,890x = 1,754,850,178,990,136,254,005,248
  5. Step 5: Solve for x
    x = 1,754,850,178,990,136,254,005,248/1,521,075,478,890
  6. Step 6: Final answer
    x = 1,153,690,400,867.37

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Double scale
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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.