Home / 571,333,684.66-787,643,482.62-383,195,599.03

Finding the Fourth Proportional to 571,333,684.66, 787,643,482.62 and 383,195,599.03

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Solution

The fourth proportional to 571,333,684.66, 787,643,482.62 and 383,195,599.03 is: 528,275,374.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,333,684.66 : 787,643,482.62 = 383,195,599.03 : x
  2. Step 2: Convert to fraction form
    571,333,684.66/787,643,482.62 = 383,195,599.03/x
  3. Step 3: Cross multiply
    571,333,684.66x = 787,643,482.62 × 383,195,599.03
  4. Step 4: Simplify right side
    571,333,684.66x = 301,821,516,144,646,272
  5. Step 5: Solve for x
    x = 301,821,516,144,646,272/571,333,684.66
  6. Step 6: Final answer
    x = 528,275,374.35

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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.