Home / 52,571,865,529.47-72,549,238,203.27-28,485,868,516.32

Finding the Fourth Proportional to 52,571,865,529.47, 72,549,238,203.27 and 28,485,868,516.32

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Solution

The fourth proportional to 52,571,865,529.47, 72,549,238,203.27 and 28,485,868,516.32 is: 39,310,533,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,571,865,529.47 : 72,549,238,203.27 = 28,485,868,516.32 : x
  2. Step 2: Convert to fraction form
    52,571,865,529.47/72,549,238,203.27 = 28,485,868,516.32/x
  3. Step 3: Cross multiply
    52,571,865,529.47x = 72,549,238,203.27 × 28,485,868,516.32
  4. Step 4: Simplify right side
    52,571,865,529.47x = 2,066,628,060,417,529,217,024
  5. Step 5: Solve for x
    x = 2,066,628,060,417,529,217,024/52,571,865,529.47
  6. Step 6: Final answer
    x = 39,310,533,107.47

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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.