Home / 1,476,210,076.80-2,212,803,460.80-862,478,390.40

Finding the Fourth Proportional to 1,476,210,076.80, 2,212,803,460.80 and 862,478,390.40

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Solution

The fourth proportional to 1,476,210,076.80, 2,212,803,460.80 and 862,478,390.40 is: 1,292,834,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,210,076.80 : 2,212,803,460.80 = 862,478,390.40 : x
  2. Step 2: Convert to fraction form
    1,476,210,076.80/2,212,803,460.80 = 862,478,390.40/x
  3. Step 3: Cross multiply
    1,476,210,076.80x = 2,212,803,460.80 × 862,478,390.40
  4. Step 4: Simplify right side
    1,476,210,076.80x = 1,908,495,167,142,333,696
  5. Step 5: Solve for x
    x = 1,908,495,167,142,333,696/1,476,210,076.80
  6. Step 6: Final answer
    x = 1,292,834,398.80

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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.