Home / 830,406,318.12-1,145,924,429.58-454,055,810.76

Finding the Fourth Proportional to 830,406,318.12, 1,145,924,429.58 and 454,055,810.76

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Solution

The fourth proportional to 830,406,318.12, 1,145,924,429.58 and 454,055,810.76 is: 626,577,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,406,318.12 : 1,145,924,429.58 = 454,055,810.76 : x
  2. Step 2: Convert to fraction form
    830,406,318.12/1,145,924,429.58 = 454,055,810.76/x
  3. Step 3: Cross multiply
    830,406,318.12x = 1,145,924,429.58 × 454,055,810.76
  4. Step 4: Simplify right side
    830,406,318.12x = 520,313,645,942,637,376
  5. Step 5: Solve for x
    x = 520,313,645,942,637,376/830,406,318.12
  6. Step 6: Final answer
    x = 626,577,176.24

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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.