Home / 572,168,984.40-858,381,413.80-208,663,340.40

Finding the Fourth Proportional to 572,168,984.40, 858,381,413.80 and 208,663,340.40

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Solution

The fourth proportional to 572,168,984.40, 858,381,413.80 and 208,663,340.40 is: 313,041,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,168,984.40 : 858,381,413.80 = 208,663,340.40 : x
  2. Step 2: Convert to fraction form
    572,168,984.40/858,381,413.80 = 208,663,340.40/x
  3. Step 3: Cross multiply
    572,168,984.40x = 858,381,413.80 × 208,663,340.40
  4. Step 4: Simplify right side
    572,168,984.40x = 179,112,733,140,782,656
  5. Step 5: Solve for x
    x = 179,112,733,140,782,656/572,168,984.40
  6. Step 6: Final answer
    x = 313,041,667.80

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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.