Home / 2,160,048,086.70-3,240,048,510.36-524,272,688.70

Finding the Fourth Proportional to 2,160,048,086.70, 3,240,048,510.36 and 524,272,688.70

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Solution

The fourth proportional to 2,160,048,086.70, 3,240,048,510.36 and 524,272,688.70 is: 786,403,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,048,086.70 : 3,240,048,510.36 = 524,272,688.70 : x
  2. Step 2: Convert to fraction form
    2,160,048,086.70/3,240,048,510.36 = 524,272,688.70/x
  3. Step 3: Cross multiply
    2,160,048,086.70x = 3,240,048,510.36 × 524,272,688.70
  4. Step 4: Simplify right side
    2,160,048,086.70x = 1,698,668,944,044,867,072
  5. Step 5: Solve for x
    x = 1,698,668,944,044,867,072/2,160,048,086.70
  6. Step 6: Final answer
    x = 786,403,300.23

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Double scale
Find fourth proportional to 2,160,048,087.70, 3,240,048,511.86 and 524,272,689.70
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1.5x scale

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.