Home / 1,819,317,115.15-2,510,657,599.47-983,941,685.74

Finding the Fourth Proportional to 1,819,317,115.15, 2,510,657,599.47 and 983,941,685.74

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Solution

The fourth proportional to 1,819,317,115.15, 2,510,657,599.47 and 983,941,685.74 is: 1,357,839,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,317,115.15 : 2,510,657,599.47 = 983,941,685.74 : x
  2. Step 2: Convert to fraction form
    1,819,317,115.15/2,510,657,599.47 = 983,941,685.74/x
  3. Step 3: Cross multiply
    1,819,317,115.15x = 2,510,657,599.47 × 983,941,685.74
  4. Step 4: Simplify right side
    1,819,317,115.15x = 2,470,340,670,749,239,296
  5. Step 5: Solve for x
    x = 2,470,340,670,749,239,296/1,819,317,115.15
  6. Step 6: Final answer
    x = 1,357,839,515.81

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Double scale
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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.