Home / 1,155,762,032.70-1,733,643,049.05-665,986,007.10

Finding the Fourth Proportional to 1,155,762,032.70, 1,733,643,049.05 and 665,986,007.10

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Solution

The fourth proportional to 1,155,762,032.70, 1,733,643,049.05 and 665,986,007.10 is: 998,979,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,762,032.70 : 1,733,643,049.05 = 665,986,007.10 : x
  2. Step 2: Convert to fraction form
    1,155,762,032.70/1,733,643,049.05 = 665,986,007.10/x
  3. Step 3: Cross multiply
    1,155,762,032.70x = 1,733,643,049.05 × 665,986,007.10
  4. Step 4: Simplify right side
    1,155,762,032.70x = 1,154,582,011,973,478,912
  5. Step 5: Solve for x
    x = 1,154,582,011,973,478,912/1,155,762,032.70
  6. Step 6: Final answer
    x = 998,979,010.65

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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.