Home / 727,890,010.45-1,091,835,015.68-236,602,330.45

Finding the Fourth Proportional to 727,890,010.45, 1,091,835,015.68 and 236,602,330.45

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Solution

The fourth proportional to 727,890,010.45, 1,091,835,015.68 and 236,602,330.45 is: 354,903,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,890,010.45 : 1,091,835,015.68 = 236,602,330.45 : x
  2. Step 2: Convert to fraction form
    727,890,010.45/1,091,835,015.68 = 236,602,330.45/x
  3. Step 3: Cross multiply
    727,890,010.45x = 1,091,835,015.68 × 236,602,330.45
  4. Step 4: Simplify right side
    727,890,010.45x = 258,330,709,175,617,248
  5. Step 5: Solve for x
    x = 258,330,709,175,617,248/727,890,010.45
  6. Step 6: Final answer
    x = 354,903,495.68

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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.