Home / 317,641,727.04-438,233,956.80-207,697,796.16

Finding the Fourth Proportional to 317,641,727.04, 438,233,956.80 and 207,697,796.16

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Solution

The fourth proportional to 317,641,727.04, 438,233,956.80 and 207,697,796.16 is: 286,549,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,641,727.04 : 438,233,956.80 = 207,697,796.16 : x
  2. Step 2: Convert to fraction form
    317,641,727.04/438,233,956.80 = 207,697,796.16/x
  3. Step 3: Cross multiply
    317,641,727.04x = 438,233,956.80 × 207,697,796.16
  4. Step 4: Simplify right side
    317,641,727.04x = 91,020,227,029,836,640
  5. Step 5: Solve for x
    x = 91,020,227,029,836,640/317,641,727.04
  6. Step 6: Final answer
    x = 286,549,968.98

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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.