Home / 952,697,875.11-1,428,888,309.81-288,553,991.76

Finding the Fourth Proportional to 952,697,875.11, 1,428,888,309.81 and 288,553,991.76

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Solution

The fourth proportional to 952,697,875.11, 1,428,888,309.81 and 288,553,991.76 is: 432,782,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,697,875.11 : 1,428,888,309.81 = 288,553,991.76 : x
  2. Step 2: Convert to fraction form
    952,697,875.11/1,428,888,309.81 = 288,553,991.76/x
  3. Step 3: Cross multiply
    952,697,875.11x = 1,428,888,309.81 × 288,553,991.76
  4. Step 4: Simplify right side
    952,697,875.11x = 412,311,425,574,875,008
  5. Step 5: Solve for x
    x = 412,311,425,574,875,008/952,697,875.11
  6. Step 6: Final answer
    x = 432,782,980.15

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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.