Home / 759,856,413.43-1,048,612,559.66-437,806,392.78

Finding the Fourth Proportional to 759,856,413.43, 1,048,612,559.66 and 437,806,392.78

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Solution

The fourth proportional to 759,856,413.43, 1,048,612,559.66 and 437,806,392.78 is: 604,178,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,856,413.43 : 1,048,612,559.66 = 437,806,392.78 : x
  2. Step 2: Convert to fraction form
    759,856,413.43/1,048,612,559.66 = 437,806,392.78/x
  3. Step 3: Cross multiply
    759,856,413.43x = 1,048,612,559.66 × 437,806,392.78
  4. Step 4: Simplify right side
    759,856,413.43x = 459,089,282,168,547,072
  5. Step 5: Solve for x
    x = 459,089,282,168,547,072/759,856,413.43
  6. Step 6: Final answer
    x = 604,178,992.31

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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.