Home / 1,428,281,982.35-1,970,850,656.97-793,116,114.82

Finding the Fourth Proportional to 1,428,281,982.35, 1,970,850,656.97 and 793,116,114.82

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Solution

The fourth proportional to 1,428,281,982.35, 1,970,850,656.97 and 793,116,114.82 is: 1,094,401,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,281,982.35 : 1,970,850,656.97 = 793,116,114.82 : x
  2. Step 2: Convert to fraction form
    1,428,281,982.35/1,970,850,656.97 = 793,116,114.82/x
  3. Step 3: Cross multiply
    1,428,281,982.35x = 1,970,850,656.97 × 793,116,114.82
  4. Step 4: Simplify right side
    1,428,281,982.35x = 1,563,113,415,950,478,592
  5. Step 5: Solve for x
    x = 1,563,113,415,950,478,592/1,428,281,982.35
  6. Step 6: Final answer
    x = 1,094,401,130.35

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Double scale
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1.5x scale

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.