Home / 1,041,653,620.98-1,438,675,021.98-686,011,196.07

Finding the Fourth Proportional to 1,041,653,620.98, 1,438,675,021.98 and 686,011,196.07

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Solution

The fourth proportional to 1,041,653,620.98, 1,438,675,021.98 and 686,011,196.07 is: 947,481,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,653,620.98 : 1,438,675,021.98 = 686,011,196.07 : x
  2. Step 2: Convert to fraction form
    1,041,653,620.98/1,438,675,021.98 = 686,011,196.07/x
  3. Step 3: Cross multiply
    1,041,653,620.98x = 1,438,675,021.98 × 686,011,196.07
  4. Step 4: Simplify right side
    1,041,653,620.98x = 986,947,172,584,533,376
  5. Step 5: Solve for x
    x = 986,947,172,584,533,376/1,041,653,620.98
  6. Step 6: Final answer
    x = 947,481,151.80

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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.