Home / 717,168,027.90-990,148,836.78-585,323,519.16

Finding the Fourth Proportional to 717,168,027.90, 990,148,836.78 and 585,323,519.16

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Solution

The fourth proportional to 717,168,027.90, 990,148,836.78 and 585,323,519.16 is: 808,119,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,168,027.90 : 990,148,836.78 = 585,323,519.16 : x
  2. Step 2: Convert to fraction form
    717,168,027.90/990,148,836.78 = 585,323,519.16/x
  3. Step 3: Cross multiply
    717,168,027.90x = 990,148,836.78 × 585,323,519.16
  4. Step 4: Simplify right side
    717,168,027.90x = 579,557,401,636,249,984
  5. Step 5: Solve for x
    x = 579,557,401,636,249,984/717,168,027.90
  6. Step 6: Final answer
    x = 808,119,407.29

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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.