Home / 621,558,885.42-857,748,271.23-343,097,973.18

Finding the Fourth Proportional to 621,558,885.42, 857,748,271.23 and 343,097,973.18

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Solution

The fourth proportional to 621,558,885.42, 857,748,271.23 and 343,097,973.18 is: 473,473,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,558,885.42 : 857,748,271.23 = 343,097,973.18 : x
  2. Step 2: Convert to fraction form
    621,558,885.42/857,748,271.23 = 343,097,973.18/x
  3. Step 3: Cross multiply
    621,558,885.42x = 857,748,271.23 × 343,097,973.18
  4. Step 4: Simplify right side
    621,558,885.42x = 294,291,693,357,661,888
  5. Step 5: Solve for x
    x = 294,291,693,357,661,888/621,558,885.42
  6. Step 6: Final answer
    x = 473,473,552.16

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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.