Home / 1,445,273,782.23-1,994,477,816.58-818,742,209.34

Finding the Fourth Proportional to 1,445,273,782.23, 1,994,477,816.58 and 818,742,209.34

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Solution

The fourth proportional to 1,445,273,782.23, 1,994,477,816.58 and 818,742,209.34 is: 1,129,864,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,273,782.23 : 1,994,477,816.58 = 818,742,209.34 : x
  2. Step 2: Convert to fraction form
    1,445,273,782.23/1,994,477,816.58 = 818,742,209.34/x
  3. Step 3: Cross multiply
    1,445,273,782.23x = 1,994,477,816.58 × 818,742,209.34
  4. Step 4: Simplify right side
    1,445,273,782.23x = 1,632,963,174,026,328,576
  5. Step 5: Solve for x
    x = 1,632,963,174,026,328,576/1,445,273,782.23
  6. Step 6: Final answer
    x = 1,129,864,247.25

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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.