Home / 717,167,957.04-990,148,738.76-585,323,448.28

Finding the Fourth Proportional to 717,167,957.04, 990,148,738.76 and 585,323,448.28

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Solution

The fourth proportional to 717,167,957.04, 990,148,738.76 and 585,323,448.28 is: 808,119,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,167,957.04 : 990,148,738.76 = 585,323,448.28 : x
  2. Step 2: Convert to fraction form
    717,167,957.04/990,148,738.76 = 585,323,448.28/x
  3. Step 3: Cross multiply
    717,167,957.04x = 990,148,738.76 × 585,323,448.28
  4. Step 4: Simplify right side
    717,167,957.04x = 579,557,274,081,096,064
  5. Step 5: Solve for x
    x = 579,557,274,081,096,064/717,167,957.04
  6. Step 6: Final answer
    x = 808,119,309.28

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Double scale
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1.5x scale

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.