Home / 513,942,638,152.98-709,257,849,730.30-282,464,362,283.72

Finding the Fourth Proportional to 513,942,638,152.98, 709,257,849,730.30 and 282,464,362,283.72

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Solution

The fourth proportional to 513,942,638,152.98, 709,257,849,730.30 and 282,464,362,283.72 is: 389,810,168,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,942,638,152.98 : 709,257,849,730.30 = 282,464,362,283.72 : x
  2. Step 2: Convert to fraction form
    513,942,638,152.98/709,257,849,730.30 = 282,464,362,283.72/x
  3. Step 3: Cross multiply
    513,942,638,152.98x = 709,257,849,730.30 × 282,464,362,283.72
  4. Step 4: Simplify right side
    513,942,638,152.98x = 200,340,066,218,791,690,829,824
  5. Step 5: Solve for x
    x = 200,340,066,218,791,690,829,824/513,942,638,152.98
  6. Step 6: Final answer
    x = 389,810,168,190.71

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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.