Home / 830,562,372.80-1,245,843,559.20-695,521,246.40

Finding the Fourth Proportional to 830,562,372.80, 1,245,843,559.20 and 695,521,246.40

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Solution

The fourth proportional to 830,562,372.80, 1,245,843,559.20 and 695,521,246.40 is: 1,043,281,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,562,372.80 : 1,245,843,559.20 = 695,521,246.40 : x
  2. Step 2: Convert to fraction form
    830,562,372.80/1,245,843,559.20 = 695,521,246.40/x
  3. Step 3: Cross multiply
    830,562,372.80x = 1,245,843,559.20 × 695,521,246.40
  4. Step 4: Simplify right side
    830,562,372.80x = 866,510,665,114,196,224
  5. Step 5: Solve for x
    x = 866,510,665,114,196,224/830,562,372.80
  6. Step 6: Final answer
    x = 1,043,281,869.60

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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.