Home / 830,104,018,843.47-1,245,210,663,404.70-217,498,579,328.76

Finding the Fourth Proportional to 830,104,018,843.47, 1,245,210,663,404.70 and 217,498,579,328.76

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Solution

The fourth proportional to 830,104,018,843.47, 1,245,210,663,404.70 and 217,498,579,328.76 is: 326,262,184,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,104,018,843.47 : 1,245,210,663,404.70 = 217,498,579,328.76 : x
  2. Step 2: Convert to fraction form
    830,104,018,843.47/1,245,210,663,404.70 = 217,498,579,328.76/x
  3. Step 3: Cross multiply
    830,104,018,843.47x = 1,245,210,663,404.70 × 217,498,579,328.76
  4. Step 4: Simplify right side
    830,104,018,843.47x = 270,831,550,255,545,003,802,624
  5. Step 5: Solve for x
    x = 270,831,550,255,545,003,802,624/830,104,018,843.47
  6. Step 6: Final answer
    x = 326,262,184,145.16

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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.