Home / 641,209,499.12-884,774,707.08-358,937,269.04

Finding the Fourth Proportional to 641,209,499.12, 884,774,707.08 and 358,937,269.04

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Solution

The fourth proportional to 641,209,499.12, 884,774,707.08 and 358,937,269.04 is: 495,280,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,209,499.12 : 884,774,707.08 = 358,937,269.04 : x
  2. Step 2: Convert to fraction form
    641,209,499.12/884,774,707.08 = 358,937,269.04/x
  3. Step 3: Cross multiply
    641,209,499.12x = 884,774,707.08 × 358,937,269.04
  4. Step 4: Simplify right side
    641,209,499.12x = 317,578,617,074,961,216
  5. Step 5: Solve for x
    x = 317,578,617,074,961,216/641,209,499.12
  6. Step 6: Final answer
    x = 495,280,586.94

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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.