Home / 658,746,933.10-909,012,870.05-376,433,350.02

Finding the Fourth Proportional to 658,746,933.10, 909,012,870.05 and 376,433,350.02

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Solution

The fourth proportional to 658,746,933.10, 909,012,870.05 and 376,433,350.02 is: 519,444,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,746,933.10 : 909,012,870.05 = 376,433,350.02 : x
  2. Step 2: Convert to fraction form
    658,746,933.10/909,012,870.05 = 376,433,350.02/x
  3. Step 3: Cross multiply
    658,746,933.10x = 909,012,870.05 × 376,433,350.02
  4. Step 4: Simplify right side
    658,746,933.10x = 342,182,759,882,334,208
  5. Step 5: Solve for x
    x = 342,182,759,882,334,208/658,746,933.10
  6. Step 6: Final answer
    x = 519,444,938.09

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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.