Home / 903,947,246.76-1,356,337,877.58-412,811,075.64

Finding the Fourth Proportional to 903,947,246.76, 1,356,337,877.58 and 412,811,075.64

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Solution

The fourth proportional to 903,947,246.76, 1,356,337,877.58 and 412,811,075.64 is: 619,407,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,947,246.76 : 1,356,337,877.58 = 412,811,075.64 : x
  2. Step 2: Convert to fraction form
    903,947,246.76/1,356,337,877.58 = 412,811,075.64/x
  3. Step 3: Cross multiply
    903,947,246.76x = 1,356,337,877.58 × 412,811,075.64
  4. Step 4: Simplify right side
    903,947,246.76x = 559,911,298,175,074,368
  5. Step 5: Solve for x
    x = 559,911,298,175,074,368/903,947,246.76
  6. Step 6: Final answer
    x = 619,407,050.78

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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.