Home / 631,105,270.30-946,210,007.85-242,778,051.10

Finding the Fourth Proportional to 631,105,270.30, 946,210,007.85 and 242,778,051.10

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Solution

The fourth proportional to 631,105,270.30, 946,210,007.85 and 242,778,051.10 is: 363,994,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,105,270.30 : 946,210,007.85 = 242,778,051.10 : x
  2. Step 2: Convert to fraction form
    631,105,270.30/946,210,007.85 = 242,778,051.10/x
  3. Step 3: Cross multiply
    631,105,270.30x = 946,210,007.85 × 242,778,051.10
  4. Step 4: Simplify right side
    631,105,270.30x = 229,719,021,637,138,688
  5. Step 5: Solve for x
    x = 229,719,021,637,138,688/631,105,270.30
  6. Step 6: Final answer
    x = 363,994,776.22

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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.