Home / 1,478,426,051.20-2,217,639,076.80-1,410,401,603.20

Finding the Fourth Proportional to 1,478,426,051.20, 2,217,639,076.80 and 1,410,401,603.20

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Solution

The fourth proportional to 1,478,426,051.20, 2,217,639,076.80 and 1,410,401,603.20 is: 2,115,602,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,426,051.20 : 2,217,639,076.80 = 1,410,401,603.20 : x
  2. Step 2: Convert to fraction form
    1,478,426,051.20/2,217,639,076.80 = 1,410,401,603.20/x
  3. Step 3: Cross multiply
    1,478,426,051.20x = 2,217,639,076.80 × 1,410,401,603.20
  4. Step 4: Simplify right side
    1,478,426,051.20x = 3,127,761,709,237,688,320
  5. Step 5: Solve for x
    x = 3,127,761,709,237,688,320/1,478,426,051.20
  6. Step 6: Final answer
    x = 2,115,602,404.80

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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.