Home / 513,942,638,295.60-709,257,849,927.40-282,464,362,426.46

Finding the Fourth Proportional to 513,942,638,295.60, 709,257,849,927.40 and 282,464,362,426.46

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Solution

The fourth proportional to 513,942,638,295.60, 709,257,849,927.40 and 282,464,362,426.46 is: 389,810,168,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,942,638,295.60 : 709,257,849,927.40 = 282,464,362,426.46 : x
  2. Step 2: Convert to fraction form
    513,942,638,295.60/709,257,849,927.40 = 282,464,362,426.46/x
  3. Step 3: Cross multiply
    513,942,638,295.60x = 709,257,849,927.40 × 282,464,362,426.46
  4. Step 4: Simplify right side
    513,942,638,295.60x = 200,340,066,375,704,898,437,120
  5. Step 5: Solve for x
    x = 200,340,066,375,704,898,437,120/513,942,638,295.60
  6. Step 6: Final answer
    x = 389,810,168,387.85

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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.