Home / 828,822,685.23-1,143,778,958.82-457,547,767.47

Finding the Fourth Proportional to 828,822,685.23, 1,143,778,958.82 and 457,547,767.47

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Solution

The fourth proportional to 828,822,685.23, 1,143,778,958.82 and 457,547,767.47 is: 631,417,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,822,685.23 : 1,143,778,958.82 = 457,547,767.47 : x
  2. Step 2: Convert to fraction form
    828,822,685.23/1,143,778,958.82 = 457,547,767.47/x
  3. Step 3: Cross multiply
    828,822,685.23x = 1,143,778,958.82 × 457,547,767.47
  4. Step 4: Simplify right side
    828,822,685.23x = 523,333,509,084,964,416
  5. Step 5: Solve for x
    x = 523,333,509,084,964,416/828,822,685.23
  6. Step 6: Final answer
    x = 631,417,935.84

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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.