Home / 658,075,511.28-987,103,302.47-160,090,715.13

Finding the Fourth Proportional to 658,075,511.28, 987,103,302.47 and 160,090,715.13

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Solution

The fourth proportional to 658,075,511.28, 987,103,302.47 and 160,090,715.13 is: 240,133,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,075,511.28 : 987,103,302.47 = 160,090,715.13 : x
  2. Step 2: Convert to fraction form
    658,075,511.28/987,103,302.47 = 160,090,715.13/x
  3. Step 3: Cross multiply
    658,075,511.28x = 987,103,302.47 × 160,090,715.13
  4. Step 4: Simplify right side
    658,075,511.28x = 158,026,073,602,163,936
  5. Step 5: Solve for x
    x = 158,026,073,602,163,936/658,075,511.28
  6. Step 6: Final answer
    x = 240,133,648.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.