Home / 770,348,143.16-1,063,082,498.10-417,924,133.88

Finding the Fourth Proportional to 770,348,143.16, 1,063,082,498.10 and 417,924,133.88

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Solution

The fourth proportional to 770,348,143.16, 1,063,082,498.10 and 417,924,133.88 is: 576,736,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,348,143.16 : 1,063,082,498.10 = 417,924,133.88 : x
  2. Step 2: Convert to fraction form
    770,348,143.16/1,063,082,498.10 = 417,924,133.88/x
  3. Step 3: Cross multiply
    770,348,143.16x = 1,063,082,498.10 × 417,924,133.88
  4. Step 4: Simplify right side
    770,348,143.16x = 444,287,832,261,429,248
  5. Step 5: Solve for x
    x = 444,287,832,261,429,248/770,348,143.16
  6. Step 6: Final answer
    x = 576,736,422.62

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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.