Home / 442,211,640,332.66-663,383,784,474.40-155,319,130,482.67

Finding the Fourth Proportional to 442,211,640,332.66, 663,383,784,474.40 and 155,319,130,482.67

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Solution

The fourth proportional to 442,211,640,332.66, 663,383,784,474.40 and 155,319,130,482.67 is: 233,001,990,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,211,640,332.66 : 663,383,784,474.40 = 155,319,130,482.67 : x
  2. Step 2: Convert to fraction form
    442,211,640,332.66/663,383,784,474.40 = 155,319,130,482.67/x
  3. Step 3: Cross multiply
    442,211,640,332.66x = 663,383,784,474.40 × 155,319,130,482.67
  4. Step 4: Simplify right side
    442,211,640,332.66x = 103,036,192,580,866,773,352,448
  5. Step 5: Solve for x
    x = 103,036,192,580,866,773,352,448/442,211,640,332.66
  6. Step 6: Final answer
    x = 233,001,990,864.28

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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.