Home / 1,308,170,865.93-1,962,547,964.37-375,421,002.87

Finding the Fourth Proportional to 1,308,170,865.93, 1,962,547,964.37 and 375,421,002.87

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Solution

The fourth proportional to 1,308,170,865.93, 1,962,547,964.37 and 375,421,002.87 is: 563,215,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,170,865.93 : 1,962,547,964.37 = 375,421,002.87 : x
  2. Step 2: Convert to fraction form
    1,308,170,865.93/1,962,547,964.37 = 375,421,002.87/x
  3. Step 3: Cross multiply
    1,308,170,865.93x = 1,962,547,964.37 × 375,421,002.87
  4. Step 4: Simplify right side
    1,308,170,865.93x = 736,781,724,964,262,400
  5. Step 5: Solve for x
    x = 736,781,724,964,262,400/1,308,170,865.93
  6. Step 6: Final answer
    x = 563,215,206.94

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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.