Home / 698,688,767.30-1,048,033,150.95-440,195,864.90

Finding the Fourth Proportional to 698,688,767.30, 1,048,033,150.95 and 440,195,864.90

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Solution

The fourth proportional to 698,688,767.30, 1,048,033,150.95 and 440,195,864.90 is: 660,293,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,688,767.30 : 1,048,033,150.95 = 440,195,864.90 : x
  2. Step 2: Convert to fraction form
    698,688,767.30/1,048,033,150.95 = 440,195,864.90/x
  3. Step 3: Cross multiply
    698,688,767.30x = 1,048,033,150.95 × 440,195,864.90
  4. Step 4: Simplify right side
    698,688,767.30x = 461,339,859,326,307,520
  5. Step 5: Solve for x
    x = 461,339,859,326,307,520/698,688,767.30
  6. Step 6: Final answer
    x = 660,293,797.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.