Home / 742,217,124.15-1,113,468,880.02-282,119,322.78

Finding the Fourth Proportional to 742,217,124.15, 1,113,468,880.02 and 282,119,322.78

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Solution

The fourth proportional to 742,217,124.15, 1,113,468,880.02 and 282,119,322.78 is: 423,233,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,217,124.15 : 1,113,468,880.02 = 282,119,322.78 : x
  2. Step 2: Convert to fraction form
    742,217,124.15/1,113,468,880.02 = 282,119,322.78/x
  3. Step 3: Cross multiply
    742,217,124.15x = 1,113,468,880.02 × 282,119,322.78
  4. Step 4: Simplify right side
    742,217,124.15x = 314,131,086,367,847,424
  5. Step 5: Solve for x
    x = 314,131,086,367,847,424/742,217,124.15
  6. Step 6: Final answer
    x = 423,233,412.63

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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.