Home / 3,645,145,160.76-5,030,300,491.56-1,974,394,303.80

Finding the Fourth Proportional to 3,645,145,160.76, 5,030,300,491.56 and 1,974,394,303.80

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Solution

The fourth proportional to 3,645,145,160.76, 5,030,300,491.56 and 1,974,394,303.80 is: 2,724,664,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645,145,160.76 : 5,030,300,491.56 = 1,974,394,303.80 : x
  2. Step 2: Convert to fraction form
    3,645,145,160.76/5,030,300,491.56 = 1,974,394,303.80/x
  3. Step 3: Cross multiply
    3,645,145,160.76x = 5,030,300,491.56 × 1,974,394,303.80
  4. Step 4: Simplify right side
    3,645,145,160.76x = 9,931,796,636,938,403,840
  5. Step 5: Solve for x
    x = 9,931,796,636,938,403,840/3,645,145,160.76
  6. Step 6: Final answer
    x = 2,724,664,231.17

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1.5x scale

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.