Home / 561,923,197,054.74-775,433,948,106.60-318,047,429,831.58

Finding the Fourth Proportional to 561,923,197,054.74, 775,433,948,106.60 and 318,047,429,831.58

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Solution

The fourth proportional to 561,923,197,054.74, 775,433,948,106.60 and 318,047,429,831.58 is: 438,894,097,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,923,197,054.74 : 775,433,948,106.60 = 318,047,429,831.58 : x
  2. Step 2: Convert to fraction form
    561,923,197,054.74/775,433,948,106.60 = 318,047,429,831.58/x
  3. Step 3: Cross multiply
    561,923,197,054.74x = 775,433,948,106.60 × 318,047,429,831.58
  4. Step 4: Simplify right side
    561,923,197,054.74x = 246,624,774,199,458,924,593,152
  5. Step 5: Solve for x
    x = 246,624,774,199,458,924,593,152/561,923,197,054.74
  6. Step 6: Final answer
    x = 438,894,097,079.67

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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.