Home / 677,137,953,700.80-934,450,528,639.15-372,643,609,682.25

Finding the Fourth Proportional to 677,137,953,700.80, 934,450,528,639.15 and 372,643,609,682.25

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Solution

The fourth proportional to 677,137,953,700.80, 934,450,528,639.15 and 372,643,609,682.25 is: 514,248,265,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,137,953,700.80 : 934,450,528,639.15 = 372,643,609,682.25 : x
  2. Step 2: Convert to fraction form
    677,137,953,700.80/934,450,528,639.15 = 372,643,609,682.25/x
  3. Step 3: Cross multiply
    677,137,953,700.80x = 934,450,528,639.15 × 372,643,609,682.25
  4. Step 4: Simplify right side
    677,137,953,700.80x = 348,217,018,061,579,576,410,112
  5. Step 5: Solve for x
    x = 348,217,018,061,579,576,410,112/677,137,953,700.80
  6. Step 6: Final answer
    x = 514,248,265,303.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.