Home / 52,571,865,531.72-72,549,238,206.38-28,485,868,518.57

Finding the Fourth Proportional to 52,571,865,531.72, 72,549,238,206.38 and 28,485,868,518.57

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Solution

The fourth proportional to 52,571,865,531.72, 72,549,238,206.38 and 28,485,868,518.57 is: 39,310,533,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,571,865,531.72 : 72,549,238,206.38 = 28,485,868,518.57 : x
  2. Step 2: Convert to fraction form
    52,571,865,531.72/72,549,238,206.38 = 28,485,868,518.57/x
  3. Step 3: Cross multiply
    52,571,865,531.72x = 72,549,238,206.38 × 28,485,868,518.57
  4. Step 4: Simplify right side
    52,571,865,531.72x = 2,066,628,060,669,356,015,616
  5. Step 5: Solve for x
    x = 2,066,628,060,669,356,015,616/52,571,865,531.72
  6. Step 6: Final answer
    x = 39,310,533,110.57

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Double scale
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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.