Home / 442,211,640,333.40-663,383,784,475.45-155,319,130,483.39

Finding the Fourth Proportional to 442,211,640,333.40, 663,383,784,475.45 and 155,319,130,483.39

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Solution

The fourth proportional to 442,211,640,333.40, 663,383,784,475.45 and 155,319,130,483.39 is: 233,001,990,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,211,640,333.40 : 663,383,784,475.45 = 155,319,130,483.39 : x
  2. Step 2: Convert to fraction form
    442,211,640,333.40/663,383,784,475.45 = 155,319,130,483.39/x
  3. Step 3: Cross multiply
    442,211,640,333.40x = 663,383,784,475.45 × 155,319,130,483.39
  4. Step 4: Simplify right side
    442,211,640,333.40x = 103,036,192,581,507,495,231,488
  5. Step 5: Solve for x
    x = 103,036,192,581,507,495,231,488/442,211,640,333.40
  6. Step 6: Final answer
    x = 233,001,990,865.34

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