Home / 2,210,167,830.14-3,050,012,898.84-1,220,071,989.50

Finding the Fourth Proportional to 2,210,167,830.14, 3,050,012,898.84 and 1,220,071,989.50

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Solution

The fourth proportional to 2,210,167,830.14, 3,050,012,898.84 and 1,220,071,989.50 is: 1,683,689,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210,167,830.14 : 3,050,012,898.84 = 1,220,071,989.50 : x
  2. Step 2: Convert to fraction form
    2,210,167,830.14/3,050,012,898.84 = 1,220,071,989.50/x
  3. Step 3: Cross multiply
    2,210,167,830.14x = 3,050,012,898.84 × 1,220,071,989.50
  4. Step 4: Simplify right side
    2,210,167,830.14x = 3,721,235,305,488,381,440
  5. Step 5: Solve for x
    x = 3,721,235,305,488,381,440/2,210,167,830.14
  6. Step 6: Final answer
    x = 1,683,689,018.88

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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.