Home / 942,029,256.68-1,300,000,433.64-524,332,574.72

Finding the Fourth Proportional to 942,029,256.68, 1,300,000,433.64 and 524,332,574.72

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Solution

The fourth proportional to 942,029,256.68, 1,300,000,433.64 and 524,332,574.72 is: 723,578,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,029,256.68 : 1,300,000,433.64 = 524,332,574.72 : x
  2. Step 2: Convert to fraction form
    942,029,256.68/1,300,000,433.64 = 524,332,574.72/x
  3. Step 3: Cross multiply
    942,029,256.68x = 1,300,000,433.64 × 524,332,574.72
  4. Step 4: Simplify right side
    942,029,256.68x = 681,632,574,507,577,856
  5. Step 5: Solve for x
    x = 681,632,574,507,577,856/942,029,256.68
  6. Step 6: Final answer
    x = 723,578,986.19

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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.