Home / 52,571,865,530.47-72,549,238,204.65-28,485,868,517.32

Finding the Fourth Proportional to 52,571,865,530.47, 72,549,238,204.65 and 28,485,868,517.32

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Solution

The fourth proportional to 52,571,865,530.47, 72,549,238,204.65 and 28,485,868,517.32 is: 39,310,533,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,571,865,530.47 : 72,549,238,204.65 = 28,485,868,517.32 : x
  2. Step 2: Convert to fraction form
    52,571,865,530.47/72,549,238,204.65 = 28,485,868,517.32/x
  3. Step 3: Cross multiply
    52,571,865,530.47x = 72,549,238,204.65 × 28,485,868,517.32
  4. Step 4: Simplify right side
    52,571,865,530.47x = 2,066,628,060,529,388,683,264
  5. Step 5: Solve for x
    x = 2,066,628,060,529,388,683,264/52,571,865,530.47
  6. Step 6: Final answer
    x = 39,310,533,108.85

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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.