Home / 1,202,183,661.20-1,803,249,819-328,785,032.72

Finding the Fourth Proportional to 1,202,183,661.20, 1,803,249,819 and 328,785,032.72

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Solution

The fourth proportional to 1,202,183,661.20, 1,803,249,819 and 328,785,032.72 is: 493,170,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,183,661.20 : 1,803,249,819 = 328,785,032.72 : x
  2. Step 2: Convert to fraction form
    1,202,183,661.20/1,803,249,819 = 328,785,032.72/x
  3. Step 3: Cross multiply
    1,202,183,661.20x = 1,803,249,819 × 328,785,032.72
  4. Step 4: Simplify right side
    1,202,183,661.20x = 592,881,550,742,249,088
  5. Step 5: Solve for x
    x = 592,881,550,742,249,088/1,202,183,661.20
  6. Step 6: Final answer
    x = 493,170,527.83

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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.