Home / 545,473,968.40-752,567,359.08-310,465,830.16

Finding the Fourth Proportional to 545,473,968.40, 752,567,359.08 and 310,465,830.16

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Solution

The fourth proportional to 545,473,968.40, 752,567,359.08 and 310,465,830.16 is: 428,336,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,473,968.40 : 752,567,359.08 = 310,465,830.16 : x
  2. Step 2: Convert to fraction form
    545,473,968.40/752,567,359.08 = 310,465,830.16/x
  3. Step 3: Cross multiply
    545,473,968.40x = 752,567,359.08 × 310,465,830.16
  4. Step 4: Simplify right side
    545,473,968.40x = 233,646,449,888,091,040
  5. Step 5: Solve for x
    x = 233,646,449,888,091,040/545,473,968.40
  6. Step 6: Final answer
    x = 428,336,572.27

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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.