Home / 712,079,491.80-1,068,119,237.70-436,580,477.40

Finding the Fourth Proportional to 712,079,491.80, 1,068,119,237.70 and 436,580,477.40

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Solution

The fourth proportional to 712,079,491.80, 1,068,119,237.70 and 436,580,477.40 is: 654,870,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,079,491.80 : 1,068,119,237.70 = 436,580,477.40 : x
  2. Step 2: Convert to fraction form
    712,079,491.80/1,068,119,237.70 = 436,580,477.40/x
  3. Step 3: Cross multiply
    712,079,491.80x = 1,068,119,237.70 × 436,580,477.40
  4. Step 4: Simplify right side
    712,079,491.80x = 466,320,006,715,190,080
  5. Step 5: Solve for x
    x = 466,320,006,715,190,080/712,079,491.80
  6. Step 6: Final answer
    x = 654,870,716.10

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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.