Home / 641,209,507.12-884,774,718.12-358,937,277.04

Finding the Fourth Proportional to 641,209,507.12, 884,774,718.12 and 358,937,277.04

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Solution

The fourth proportional to 641,209,507.12, 884,774,718.12 and 358,937,277.04 is: 495,280,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,209,507.12 : 884,774,718.12 = 358,937,277.04 : x
  2. Step 2: Convert to fraction form
    641,209,507.12/884,774,718.12 = 358,937,277.04/x
  3. Step 3: Cross multiply
    641,209,507.12x = 884,774,718.12 × 358,937,277.04
  4. Step 4: Simplify right side
    641,209,507.12x = 317,578,628,115,826,368
  5. Step 5: Solve for x
    x = 317,578,628,115,826,368/641,209,507.12
  6. Step 6: Final answer
    x = 495,280,597.98

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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.