Home / 1,210,809,475.60-1,670,917,012.36-653,892,469

Finding the Fourth Proportional to 1,210,809,475.60, 1,670,917,012.36 and 653,892,469

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Solution

The fourth proportional to 1,210,809,475.60, 1,670,917,012.36 and 653,892,469 is: 902,371,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,809,475.60 : 1,670,917,012.36 = 653,892,469 : x
  2. Step 2: Convert to fraction form
    1,210,809,475.60/1,670,917,012.36 = 653,892,469/x
  3. Step 3: Cross multiply
    1,210,809,475.60x = 1,670,917,012.36 × 653,892,469
  4. Step 4: Simplify right side
    1,210,809,475.60x = 1,092,600,050,706,183,808
  5. Step 5: Solve for x
    x = 1,092,600,050,706,183,808/1,210,809,475.60
  6. Step 6: Final answer
    x = 902,371,572.67

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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.