Home / 1,513,388,099.27-2,088,527,107.65-878,259,417.23

Finding the Fourth Proportional to 1,513,388,099.27, 2,088,527,107.65 and 878,259,417.23

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Solution

The fourth proportional to 1,513,388,099.27, 2,088,527,107.65 and 878,259,417.23 is: 1,212,027,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,388,099.27 : 2,088,527,107.65 = 878,259,417.23 : x
  2. Step 2: Convert to fraction form
    1,513,388,099.27/2,088,527,107.65 = 878,259,417.23/x
  3. Step 3: Cross multiply
    1,513,388,099.27x = 2,088,527,107.65 × 878,259,417.23
  4. Step 4: Simplify right side
    1,513,388,099.27x = 1,834,268,600,433,746,688
  5. Step 5: Solve for x
    x = 1,834,268,600,433,746,688/1,513,388,099.27
  6. Step 6: Final answer
    x = 1,212,027,900.39

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Double scale
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1.5x scale

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.