Home / 462,506,609.20-638,256,127.80-264,328,717.36

Finding the Fourth Proportional to 462,506,609.20, 638,256,127.80 and 264,328,717.36

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Solution

The fourth proportional to 462,506,609.20, 638,256,127.80 and 264,328,717.36 is: 364,771,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,506,609.20 : 638,256,127.80 = 264,328,717.36 : x
  2. Step 2: Convert to fraction form
    462,506,609.20/638,256,127.80 = 264,328,717.36/x
  3. Step 3: Cross multiply
    462,506,609.20x = 638,256,127.80 × 264,328,717.36
  4. Step 4: Simplify right side
    462,506,609.20x = 168,709,423,608,534,240
  5. Step 5: Solve for x
    x = 168,709,423,608,534,240/462,506,609.20
  6. Step 6: Final answer
    x = 364,771,919.48

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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.