Home / 607,444,756.20-911,498,841.54-257,636,413.80

Finding the Fourth Proportional to 607,444,756.20, 911,498,841.54 and 257,636,413.80

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Solution

The fourth proportional to 607,444,756.20, 911,498,841.54 and 257,636,413.80 is: 386,595,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,444,756.20 : 911,498,841.54 = 257,636,413.80 : x
  2. Step 2: Convert to fraction form
    607,444,756.20/911,498,841.54 = 257,636,413.80/x
  3. Step 3: Cross multiply
    607,444,756.20x = 911,498,841.54 × 257,636,413.80
  4. Step 4: Simplify right side
    607,444,756.20x = 234,835,292,717,220,064
  5. Step 5: Solve for x
    x = 234,835,292,717,220,064/607,444,756.20
  6. Step 6: Final answer
    x = 386,595,308.17

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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.