Home / 71,681,184,518.40-98,920,044,320.83-39,566,552,733.09

Finding the Fourth Proportional to 71,681,184,518.40, 98,920,044,320.83 and 39,566,552,733.09

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Solution

The fourth proportional to 71,681,184,518.40, 98,920,044,320.83 and 39,566,552,733.09 is: 54,601,848,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,681,184,518.40 : 98,920,044,320.83 = 39,566,552,733.09 : x
  2. Step 2: Convert to fraction form
    71,681,184,518.40/98,920,044,320.83 = 39,566,552,733.09/x
  3. Step 3: Cross multiply
    71,681,184,518.40x = 98,920,044,320.83 × 39,566,552,733.09
  4. Step 4: Simplify right side
    71,681,184,518.40x = 3,913,925,149,979,601,010,688
  5. Step 5: Solve for x
    x = 3,913,925,149,979,601,010,688/71,681,184,518.40
  6. Step 6: Final answer
    x = 54,601,848,117.83

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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.