Home / 772,897,238.40-1,159,009,934.40-255,127,612.80

Finding the Fourth Proportional to 772,897,238.40, 1,159,009,934.40 and 255,127,612.80

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Solution

The fourth proportional to 772,897,238.40, 1,159,009,934.40 and 255,127,612.80 is: 382,580,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,897,238.40 : 1,159,009,934.40 = 255,127,612.80 : x
  2. Step 2: Convert to fraction form
    772,897,238.40/1,159,009,934.40 = 255,127,612.80/x
  3. Step 3: Cross multiply
    772,897,238.40x = 1,159,009,934.40 × 255,127,612.80
  4. Step 4: Simplify right side
    772,897,238.40x = 295,695,437,774,956,608
  5. Step 5: Solve for x
    x = 295,695,437,774,956,608/772,897,238.40
  6. Step 6: Final answer
    x = 382,580,533.46

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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.