Home / 828,822,686.49-1,143,778,960.55-457,547,768.73

Finding the Fourth Proportional to 828,822,686.49, 1,143,778,960.55 and 457,547,768.73

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Solution

The fourth proportional to 828,822,686.49, 1,143,778,960.55 and 457,547,768.73 is: 631,417,937.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,822,686.49 : 1,143,778,960.55 = 457,547,768.73 : x
  2. Step 2: Convert to fraction form
    828,822,686.49/1,143,778,960.55 = 457,547,768.73/x
  3. Step 3: Cross multiply
    828,822,686.49x = 1,143,778,960.55 × 457,547,768.73
  4. Step 4: Simplify right side
    828,822,686.49x = 523,333,511,319,971,200
  5. Step 5: Solve for x
    x = 523,333,511,319,971,200/828,822,686.49
  6. Step 6: Final answer
    x = 631,417,937.58

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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.