Home / 920,277,681.04-1,380,444,865.08-402,441,570.64

Finding the Fourth Proportional to 920,277,681.04, 1,380,444,865.08 and 402,441,570.64

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Solution

The fourth proportional to 920,277,681.04, 1,380,444,865.08 and 402,441,570.64 is: 603,674,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,277,681.04 : 1,380,444,865.08 = 402,441,570.64 : x
  2. Step 2: Convert to fraction form
    920,277,681.04/1,380,444,865.08 = 402,441,570.64/x
  3. Step 3: Cross multiply
    920,277,681.04x = 1,380,444,865.08 × 402,441,570.64
  4. Step 4: Simplify right side
    920,277,681.04x = 555,548,399,684,718,016
  5. Step 5: Solve for x
    x = 555,548,399,684,718,016/920,277,681.04
  6. Step 6: Final answer
    x = 603,674,750.71

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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.