Home / 208,838,654,118.45-312,938,250,816.60-140,516,653,766

Finding the Fourth Proportional to 208,838,654,118.45, 312,938,250,816.60 and 140,516,653,766

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Solution

The fourth proportional to 208,838,654,118.45, 312,938,250,816.60 and 140,516,653,766 is: 210,559,850,741.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,838,654,118.45 : 312,938,250,816.60 = 140,516,653,766 : x
  2. Step 2: Convert to fraction form
    208,838,654,118.45/312,938,250,816.60 = 140,516,653,766/x
  3. Step 3: Cross multiply
    208,838,654,118.45x = 312,938,250,816.60 × 140,516,653,766
  4. Step 4: Simplify right side
    208,838,654,118.45x = 43,973,035,840,133,845,221,376
  5. Step 5: Solve for x
    x = 43,973,035,840,133,845,221,376/208,838,654,118.45
  6. Step 6: Final answer
    x = 210,559,850,741.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.