Home / 77,572,963,420.28-107,053,330,868.74-45,017,656,522.94

Finding the Fourth Proportional to 77,572,963,420.28, 107,053,330,868.74 and 45,017,656,522.94

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Solution

The fourth proportional to 77,572,963,420.28, 107,053,330,868.74 and 45,017,656,522.94 is: 62,125,898,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572,963,420.28 : 107,053,330,868.74 = 45,017,656,522.94 : x
  2. Step 2: Convert to fraction form
    77,572,963,420.28/107,053,330,868.74 = 45,017,656,522.94/x
  3. Step 3: Cross multiply
    77,572,963,420.28x = 107,053,330,868.74 × 45,017,656,522.94
  4. Step 4: Simplify right side
    77,572,963,420.28x = 4,819,290,078,685,052,272,640
  5. Step 5: Solve for x
    x = 4,819,290,078,685,052,272,640/77,572,963,420.28
  6. Step 6: Final answer
    x = 62,125,898,846.67

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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.