Home / 462,389,045.12-693,098,051.84-155,574,640.64

Finding the Fourth Proportional to 462,389,045.12, 693,098,051.84 and 155,574,640.64

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Solution

The fourth proportional to 462,389,045.12, 693,098,051.84 and 155,574,640.64 is: 233,198,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,389,045.12 : 693,098,051.84 = 155,574,640.64 : x
  2. Step 2: Convert to fraction form
    462,389,045.12/693,098,051.84 = 155,574,640.64/x
  3. Step 3: Cross multiply
    462,389,045.12x = 693,098,051.84 × 155,574,640.64
  4. Step 4: Simplify right side
    462,389,045.12x = 107,828,480,343,292,080
  5. Step 5: Solve for x
    x = 107,828,480,343,292,080/462,389,045.12
  6. Step 6: Final answer
    x = 233,198,605.12

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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.