Home / 1,525,176,020.80-2,287,764,031.20-434,517,371.20

Finding the Fourth Proportional to 1,525,176,020.80, 2,287,764,031.20 and 434,517,371.20

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Solution

The fourth proportional to 1,525,176,020.80, 2,287,764,031.20 and 434,517,371.20 is: 651,776,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,176,020.80 : 2,287,764,031.20 = 434,517,371.20 : x
  2. Step 2: Convert to fraction form
    1,525,176,020.80/2,287,764,031.20 = 434,517,371.20/x
  3. Step 3: Cross multiply
    1,525,176,020.80x = 2,287,764,031.20 × 434,517,371.20
  4. Step 4: Simplify right side
    1,525,176,020.80x = 994,073,212,762,938,624
  5. Step 5: Solve for x
    x = 994,073,212,762,938,624/1,525,176,020.80
  6. Step 6: Final answer
    x = 651,776,056.80

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1.5x scale

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.