Home / 366,473,336.93-505,729,641.80-272,806,357.67

Finding the Fourth Proportional to 366,473,336.93, 505,729,641.80 and 272,806,357.67

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Solution

The fourth proportional to 366,473,336.93, 505,729,641.80 and 272,806,357.67 is: 376,470,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,473,336.93 : 505,729,641.80 = 272,806,357.67 : x
  2. Step 2: Convert to fraction form
    366,473,336.93/505,729,641.80 = 272,806,357.67/x
  3. Step 3: Cross multiply
    366,473,336.93x = 505,729,641.80 × 272,806,357.67
  4. Step 4: Simplify right side
    366,473,336.93x = 137,966,261,547,331,792
  5. Step 5: Solve for x
    x = 137,966,261,547,331,792/366,473,336.93
  6. Step 6: Final answer
    x = 376,470,121.13

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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.