Home / 746,365,389.12-1,030,357,130.40-464,198,780.88

Finding the Fourth Proportional to 746,365,389.12, 1,030,357,130.40 and 464,198,780.88

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Solution

The fourth proportional to 746,365,389.12, 1,030,357,130.40 and 464,198,780.88 is: 640,826,237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,365,389.12 : 1,030,357,130.40 = 464,198,780.88 : x
  2. Step 2: Convert to fraction form
    746,365,389.12/1,030,357,130.40 = 464,198,780.88/x
  3. Step 3: Cross multiply
    746,365,389.12x = 1,030,357,130.40 × 464,198,780.88
  4. Step 4: Simplify right side
    746,365,389.12x = 478,290,523,802,695,168
  5. Step 5: Solve for x
    x = 478,290,523,802,695,168/746,365,389.12
  6. Step 6: Final answer
    x = 640,826,237.09

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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.