Home / 1,440,485,516.07-1,986,773,238.25-1,239,883,810.40

Finding the Fourth Proportional to 1,440,485,516.07, 1,986,773,238.25 and 1,239,883,810.40

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Solution

The fourth proportional to 1,440,485,516.07, 1,986,773,238.25 and 1,239,883,810.40 is: 1,710,095,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,485,516.07 : 1,986,773,238.25 = 1,239,883,810.40 : x
  2. Step 2: Convert to fraction form
    1,440,485,516.07/1,986,773,238.25 = 1,239,883,810.40/x
  3. Step 3: Cross multiply
    1,440,485,516.07x = 1,986,773,238.25 × 1,239,883,810.40
  4. Step 4: Simplify right side
    1,440,485,516.07x = 2,463,367,973,044,023,808
  5. Step 5: Solve for x
    x = 2,463,367,973,044,023,808/1,440,485,516.07
  6. Step 6: Final answer
    x = 1,710,095,620.93

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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.