Home / 1,036,224,127.46-1,430,679,548.21-612,973,758.94

Finding the Fourth Proportional to 1,036,224,127.46, 1,430,679,548.21 and 612,973,758.94

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Solution

The fourth proportional to 1,036,224,127.46, 1,430,679,548.21 and 612,973,758.94 is: 846,312,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,224,127.46 : 1,430,679,548.21 = 612,973,758.94 : x
  2. Step 2: Convert to fraction form
    1,036,224,127.46/1,430,679,548.21 = 612,973,758.94/x
  3. Step 3: Cross multiply
    1,036,224,127.46x = 1,430,679,548.21 × 612,973,758.94
  4. Step 4: Simplify right side
    1,036,224,127.46x = 876,969,020,498,222,976
  5. Step 5: Solve for x
    x = 876,969,020,498,222,976/1,036,224,127.46
  6. Step 6: Final answer
    x = 846,312,103.01

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Double scale
Find fourth proportional to 1,036,224,128.46, 1,430,679,549.59 and 612,973,759.94
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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.