Home / 430,373,812.63-645,806,721.45-233,653,220.59

Finding the Fourth Proportional to 430,373,812.63, 645,806,721.45 and 233,653,220.59

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Solution

The fourth proportional to 430,373,812.63, 645,806,721.45 and 233,653,220.59 is: 350,613,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,373,812.63 : 645,806,721.45 = 233,653,220.59 : x
  2. Step 2: Convert to fraction form
    430,373,812.63/645,806,721.45 = 233,653,220.59/x
  3. Step 3: Cross multiply
    430,373,812.63x = 645,806,721.45 × 233,653,220.59
  4. Step 4: Simplify right side
    430,373,812.63x = 150,894,820,345,461,536
  5. Step 5: Solve for x
    x = 150,894,820,345,461,536/430,373,812.63
  6. Step 6: Final answer
    x = 350,613,387.52

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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.