Home / 401,758,547.40-554,407,924.68-223,154,013.96

Finding the Fourth Proportional to 401,758,547.40, 554,407,924.68 and 223,154,013.96

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Solution

The fourth proportional to 401,758,547.40, 554,407,924.68 and 223,154,013.96 is: 307,942,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,758,547.40 : 554,407,924.68 = 223,154,013.96 : x
  2. Step 2: Convert to fraction form
    401,758,547.40/554,407,924.68 = 223,154,013.96/x
  3. Step 3: Cross multiply
    401,758,547.40x = 554,407,924.68 × 223,154,013.96
  4. Step 4: Simplify right side
    401,758,547.40x = 123,718,353,763,575,344
  5. Step 5: Solve for x
    x = 123,718,353,763,575,344/401,758,547.40
  6. Step 6: Final answer
    x = 307,942,057.65

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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.