Home / 627,451,507.78-865,865,695.75-341,333,547.68

Finding the Fourth Proportional to 627,451,507.78, 865,865,695.75 and 341,333,547.68

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Solution

The fourth proportional to 627,451,507.78, 865,865,695.75 and 341,333,547.68 is: 471,030,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,451,507.78 : 865,865,695.75 = 341,333,547.68 : x
  2. Step 2: Convert to fraction form
    627,451,507.78/865,865,695.75 = 341,333,547.68/x
  3. Step 3: Cross multiply
    627,451,507.78x = 865,865,695.75 × 341,333,547.68
  4. Step 4: Simplify right side
    627,451,507.78x = 295,549,009,746,063,488
  5. Step 5: Solve for x
    x = 295,549,009,746,063,488/627,451,507.78
  6. Step 6: Final answer
    x = 471,030,838.37

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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.