Home / 1,213,056,037.20-1,819,584,055.80-1,011,502,117.20

Finding the Fourth Proportional to 1,213,056,037.20, 1,819,584,055.80 and 1,011,502,117.20

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Solution

The fourth proportional to 1,213,056,037.20, 1,819,584,055.80 and 1,011,502,117.20 is: 1,517,253,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,056,037.20 : 1,819,584,055.80 = 1,011,502,117.20 : x
  2. Step 2: Convert to fraction form
    1,213,056,037.20/1,819,584,055.80 = 1,011,502,117.20/x
  3. Step 3: Cross multiply
    1,213,056,037.20x = 1,819,584,055.80 × 1,011,502,117.20
  4. Step 4: Simplify right side
    1,213,056,037.20x = 1,840,513,124,865,062,912
  5. Step 5: Solve for x
    x = 1,840,513,124,865,062,912/1,213,056,037.20
  6. Step 6: Final answer
    x = 1,517,253,175.80

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Double scale
Find fourth proportional to 1,213,056,038.20, 1,819,584,057.30 and 1,011,502,118.20
Similar ratio
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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.