Home / 317,224,871.40-475,837,307.10-289,961,948.10

Finding the Fourth Proportional to 317,224,871.40, 475,837,307.10 and 289,961,948.10

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Solution

The fourth proportional to 317,224,871.40, 475,837,307.10 and 289,961,948.10 is: 434,942,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,224,871.40 : 475,837,307.10 = 289,961,948.10 : x
  2. Step 2: Convert to fraction form
    317,224,871.40/475,837,307.10 = 289,961,948.10/x
  3. Step 3: Cross multiply
    317,224,871.40x = 475,837,307.10 × 289,961,948.10
  4. Step 4: Simplify right side
    317,224,871.40x = 137,974,712,545,373,984
  5. Step 5: Solve for x
    x = 137,974,712,545,373,984/317,224,871.40
  6. Step 6: Final answer
    x = 434,942,922.15

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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.