Home / 408,740,284,783.80-564,055,590,054.06-228,301,825,289.40

Finding the Fourth Proportional to 408,740,284,783.80, 564,055,590,054.06 and 228,301,825,289.40

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Solution

The fourth proportional to 408,740,284,783.80, 564,055,590,054.06 and 228,301,825,289.40 is: 315,053,165,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,740,284,783.80 : 564,055,590,054.06 = 228,301,825,289.40 : x
  2. Step 2: Convert to fraction form
    408,740,284,783.80/564,055,590,054.06 = 228,301,825,289.40/x
  3. Step 3: Cross multiply
    408,740,284,783.80x = 564,055,590,054.06 × 228,301,825,289.40
  4. Step 4: Simplify right side
    408,740,284,783.80x = 128,774,920,774,031,444,541,440
  5. Step 5: Solve for x
    x = 128,774,920,774,031,444,541,440/408,740,284,783.80
  6. Step 6: Final answer
    x = 315,053,165,953.89

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1.5x scale

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.