Home / 318,460,291,868.86-477,692,223,593.01-106,223,841,722.72

Finding the Fourth Proportional to 318,460,291,868.86, 477,692,223,593.01 and 106,223,841,722.72

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Solution

The fourth proportional to 318,460,291,868.86, 477,692,223,593.01 and 106,223,841,722.72 is: 159,336,358,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,460,291,868.86 : 477,692,223,593.01 = 106,223,841,722.72 : x
  2. Step 2: Convert to fraction form
    318,460,291,868.86/477,692,223,593.01 = 106,223,841,722.72/x
  3. Step 3: Cross multiply
    318,460,291,868.86x = 477,692,223,593.01 × 106,223,841,722.72
  4. Step 4: Simplify right side
    318,460,291,868.86x = 50,742,303,151,118,071,365,632
  5. Step 5: Solve for x
    x = 50,742,303,151,118,071,365,632/318,460,291,868.86
  6. Step 6: Final answer
    x = 159,336,358,242.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.