Home / 675,683,856.30-1,013,525,784.45-215,668,526.70

Finding the Fourth Proportional to 675,683,856.30, 1,013,525,784.45 and 215,668,526.70

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Solution

The fourth proportional to 675,683,856.30, 1,013,525,784.45 and 215,668,526.70 is: 323,502,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,683,856.30 : 1,013,525,784.45 = 215,668,526.70 : x
  2. Step 2: Convert to fraction form
    675,683,856.30/1,013,525,784.45 = 215,668,526.70/x
  3. Step 3: Cross multiply
    675,683,856.30x = 1,013,525,784.45 × 215,668,526.70
  4. Step 4: Simplify right side
    675,683,856.30x = 218,585,612,704,793,280
  5. Step 5: Solve for x
    x = 218,585,612,704,793,280/675,683,856.30
  6. Step 6: Final answer
    x = 323,502,790.05

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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.