Home / 745,190,499,424.29-1,028,362,891,186-402,634,362,404.64

Finding the Fourth Proportional to 745,190,499,424.29, 1,028,362,891,186 and 402,634,362,404.64

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Solution

The fourth proportional to 745,190,499,424.29, 1,028,362,891,186 and 402,634,362,404.64 is: 555,635,421,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,190,499,424.29 : 1,028,362,891,186 = 402,634,362,404.64 : x
  2. Step 2: Convert to fraction form
    745,190,499,424.29/1,028,362,891,186 = 402,634,362,404.64/x
  3. Step 3: Cross multiply
    745,190,499,424.29x = 1,028,362,891,186 × 402,634,362,404.64
  4. Step 4: Simplify right side
    745,190,499,424.29x = 414,054,237,013,267,328,270,336
  5. Step 5: Solve for x
    x = 414,054,237,013,267,328,270,336/745,190,499,424.29
  6. Step 6: Final answer
    x = 555,635,421,188.48

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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.