Home / 571,875,309.40-857,812,964.10-397,536,089.35

Finding the Fourth Proportional to 571,875,309.40, 857,812,964.10 and 397,536,089.35

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Solution

The fourth proportional to 571,875,309.40, 857,812,964.10 and 397,536,089.35 is: 596,304,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,875,309.40 : 857,812,964.10 = 397,536,089.35 : x
  2. Step 2: Convert to fraction form
    571,875,309.40/857,812,964.10 = 397,536,089.35/x
  3. Step 3: Cross multiply
    571,875,309.40x = 857,812,964.10 × 397,536,089.35
  4. Step 4: Simplify right side
    571,875,309.40x = 341,011,611,142,045,952
  5. Step 5: Solve for x
    x = 341,011,611,142,045,952/571,875,309.40
  6. Step 6: Final answer
    x = 596,304,134.03

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Double scale
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Similar ratio
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1.5x scale

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.