Home / 677,137,953,700.30-934,450,528,638.45-372,643,609,681.75

Finding the Fourth Proportional to 677,137,953,700.30, 934,450,528,638.45 and 372,643,609,681.75

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Solution

The fourth proportional to 677,137,953,700.30, 934,450,528,638.45 and 372,643,609,681.75 is: 514,248,265,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,137,953,700.30 : 934,450,528,638.45 = 372,643,609,681.75 : x
  2. Step 2: Convert to fraction form
    677,137,953,700.30/934,450,528,638.45 = 372,643,609,681.75/x
  3. Step 3: Cross multiply
    677,137,953,700.30x = 934,450,528,638.45 × 372,643,609,681.75
  4. Step 4: Simplify right side
    677,137,953,700.30x = 348,217,018,060,851,512,344,576
  5. Step 5: Solve for x
    x = 348,217,018,060,851,512,344,576/677,137,953,700.30
  6. Step 6: Final answer
    x = 514,248,265,302.48

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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.