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Finding the Fourth Proportional to 961,547,898.51, 1,434,237,509.97 and 873,275,216.27

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Solution

The fourth proportional to 961,547,898.51, 1,434,237,509.97 and 873,275,216.27 is: 1,302,570,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,547,898.51 : 1,434,237,509.97 = 873,275,216.27 : x
  2. Step 2: Convert to fraction form
    961,547,898.51/1,434,237,509.97 = 873,275,216.27/x
  3. Step 3: Cross multiply
    961,547,898.51x = 1,434,237,509.97 × 873,275,216.27
  4. Step 4: Simplify right side
    961,547,898.51x = 1,252,484,071,694,426,880
  5. Step 5: Solve for x
    x = 1,252,484,071,694,426,880/961,547,898.51
  6. Step 6: Final answer
    x = 1,302,570,650.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.