Home / 1,209,154,856,369.70-1,813,739,064,413.20-403,319,585,328.60

Finding the Fourth Proportional to 1,209,154,856,369.70, 1,813,739,064,413.20 and 403,319,585,328.60

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Solution

The fourth proportional to 1,209,154,856,369.70, 1,813,739,064,413.20 and 403,319,585,328.60 is: 604,981,639,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,154,856,369.70 : 1,813,739,064,413.20 = 403,319,585,328.60 : x
  2. Step 2: Convert to fraction form
    1,209,154,856,369.70/1,813,739,064,413.20 = 403,319,585,328.60/x
  3. Step 3: Cross multiply
    1,209,154,856,369.70x = 1,813,739,064,413.20 × 403,319,585,328.60
  4. Step 4: Simplify right side
    1,209,154,856,369.70x = 731,516,487,353,414,637,846,528
  5. Step 5: Solve for x
    x = 731,516,487,353,414,637,846,528/1,209,154,856,369.70
  6. Step 6: Final answer
    x = 604,981,639,448.30

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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.