Home / 660,444,413.40-990,666,620.10-169,156,733.40

Finding the Fourth Proportional to 660,444,413.40, 990,666,620.10 and 169,156,733.40

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Solution

The fourth proportional to 660,444,413.40, 990,666,620.10 and 169,156,733.40 is: 253,735,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,444,413.40 : 990,666,620.10 = 169,156,733.40 : x
  2. Step 2: Convert to fraction form
    660,444,413.40/990,666,620.10 = 169,156,733.40/x
  3. Step 3: Cross multiply
    660,444,413.40x = 990,666,620.10 × 169,156,733.40
  4. Step 4: Simplify right side
    660,444,413.40x = 167,577,929,344,534,784
  5. Step 5: Solve for x
    x = 167,577,929,344,534,784/660,444,413.40
  6. Step 6: Final answer
    x = 253,735,100.10

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1.5x scale

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.