Home / 442,211,640,332.51-663,383,784,474.10-155,319,130,482.51

Finding the Fourth Proportional to 442,211,640,332.51, 663,383,784,474.10 and 155,319,130,482.51

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Solution

The fourth proportional to 442,211,640,332.51, 663,383,784,474.10 and 155,319,130,482.51 is: 233,001,990,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,211,640,332.51 : 663,383,784,474.10 = 155,319,130,482.51 : x
  2. Step 2: Convert to fraction form
    442,211,640,332.51/663,383,784,474.10 = 155,319,130,482.51/x
  3. Step 3: Cross multiply
    442,211,640,332.51x = 663,383,784,474.10 × 155,319,130,482.51
  4. Step 4: Simplify right side
    442,211,640,332.51x = 103,036,192,580,714,033,577,984
  5. Step 5: Solve for x
    x = 103,036,192,580,714,033,577,984/442,211,640,332.51
  6. Step 6: Final answer
    x = 233,001,990,864.01

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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.