Home / 1,437,395,047.68-1,983,611,141.76-777,345,325.76

Finding the Fourth Proportional to 1,437,395,047.68, 1,983,611,141.76 and 777,345,325.76

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Solution

The fourth proportional to 1,437,395,047.68, 1,983,611,141.76 and 777,345,325.76 is: 1,072,739,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,395,047.68 : 1,983,611,141.76 = 777,345,325.76 : x
  2. Step 2: Convert to fraction form
    1,437,395,047.68/1,983,611,141.76 = 777,345,325.76/x
  3. Step 3: Cross multiply
    1,437,395,047.68x = 1,983,611,141.76 × 777,345,325.76
  4. Step 4: Simplify right side
    1,437,395,047.68x = 1,541,950,849,172,592,640
  5. Step 5: Solve for x
    x = 1,541,950,849,172,592,640/1,437,395,047.68
  6. Step 6: Final answer
    x = 1,072,739,781.36

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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.