Home / 717,168,042.90-990,148,857.48-585,323,534.16

Finding the Fourth Proportional to 717,168,042.90, 990,148,857.48 and 585,323,534.16

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Solution

The fourth proportional to 717,168,042.90, 990,148,857.48 and 585,323,534.16 is: 808,119,428.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,168,042.90 : 990,148,857.48 = 585,323,534.16 : x
  2. Step 2: Convert to fraction form
    717,168,042.90/990,148,857.48 = 585,323,534.16/x
  3. Step 3: Cross multiply
    717,168,042.90x = 990,148,857.48 × 585,323,534.16
  4. Step 4: Simplify right side
    717,168,042.90x = 579,557,428,604,679,680
  5. Step 5: Solve for x
    x = 579,557,428,604,679,680/717,168,042.90
  6. Step 6: Final answer
    x = 808,119,428.00

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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.