Home / 1,124,104,916.78-1,551,427,047.88-647,704,043.72

Finding the Fourth Proportional to 1,124,104,916.78, 1,551,427,047.88 and 647,704,043.72

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Solution

The fourth proportional to 1,124,104,916.78, 1,551,427,047.88 and 647,704,043.72 is: 893,925,075.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,104,916.78 : 1,551,427,047.88 = 647,704,043.72 : x
  2. Step 2: Convert to fraction form
    1,124,104,916.78/1,551,427,047.88 = 647,704,043.72/x
  3. Step 3: Cross multiply
    1,124,104,916.78x = 1,551,427,047.88 × 647,704,043.72
  4. Step 4: Simplify right side
    1,124,104,916.78x = 1,004,865,572,437,462,400
  5. Step 5: Solve for x
    x = 1,004,865,572,437,462,400/1,124,104,916.78
  6. Step 6: Final answer
    x = 893,925,075.36

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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.