Home / 696,403,492.73-961,036,787.70-383,130,980.66

Finding the Fourth Proportional to 696,403,492.73, 961,036,787.70 and 383,130,980.66

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Solution

The fourth proportional to 696,403,492.73, 961,036,787.70 and 383,130,980.66 is: 528,720,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,403,492.73 : 961,036,787.70 = 383,130,980.66 : x
  2. Step 2: Convert to fraction form
    696,403,492.73/961,036,787.70 = 383,130,980.66/x
  3. Step 3: Cross multiply
    696,403,492.73x = 961,036,787.70 × 383,130,980.66
  4. Step 4: Simplify right side
    696,403,492.73x = 368,202,966,921,837,248
  5. Step 5: Solve for x
    x = 368,202,966,921,837,248/696,403,492.73
  6. Step 6: Final answer
    x = 528,720,735.56

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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.