Home / 1,370,585,045.76-2,055,877,516.80-401,236,661.76

Finding the Fourth Proportional to 1,370,585,045.76, 2,055,877,516.80 and 401,236,661.76

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Solution

The fourth proportional to 1,370,585,045.76, 2,055,877,516.80 and 401,236,661.76 is: 601,854,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,585,045.76 : 2,055,877,516.80 = 401,236,661.76 : x
  2. Step 2: Convert to fraction form
    1,370,585,045.76/2,055,877,516.80 = 401,236,661.76/x
  3. Step 3: Cross multiply
    1,370,585,045.76x = 2,055,877,516.80 × 401,236,661.76
  4. Step 4: Simplify right side
    1,370,585,045.76x = 824,893,431,828,270,336
  5. Step 5: Solve for x
    x = 824,893,431,828,270,336/1,370,585,045.76
  6. Step 6: Final answer
    x = 601,854,977.46

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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.