Home / 215,070,789,465.81-296,789,909,311.71-118,724,806,589.49

Finding the Fourth Proportional to 215,070,789,465.81, 296,789,909,311.71 and 118,724,806,589.49

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Solution

The fourth proportional to 215,070,789,465.81, 296,789,909,311.71 and 118,724,806,589.49 is: 163,835,938,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,070,789,465.81 : 296,789,909,311.71 = 118,724,806,589.49 : x
  2. Step 2: Convert to fraction form
    215,070,789,465.81/296,789,909,311.71 = 118,724,806,589.49/x
  3. Step 3: Cross multiply
    215,070,789,465.81x = 296,789,909,311.71 × 118,724,806,589.49
  4. Step 4: Simplify right side
    215,070,789,465.81x = 35,236,324,580,745,050,849,280
  5. Step 5: Solve for x
    x = 35,236,324,580,745,050,849,280/215,070,789,465.81
  6. Step 6: Final answer
    x = 163,835,938,242.77

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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.