Home / 828,822,687.49-1,143,778,961.93-457,547,769.73

Finding the Fourth Proportional to 828,822,687.49, 1,143,778,961.93 and 457,547,769.73

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Solution

The fourth proportional to 828,822,687.49, 1,143,778,961.93 and 457,547,769.73 is: 631,417,938.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,822,687.49 : 1,143,778,961.93 = 457,547,769.73 : x
  2. Step 2: Convert to fraction form
    828,822,687.49/1,143,778,961.93 = 457,547,769.73/x
  3. Step 3: Cross multiply
    828,822,687.49x = 1,143,778,961.93 × 457,547,769.73
  4. Step 4: Simplify right side
    828,822,687.49x = 523,333,513,095,166,144
  5. Step 5: Solve for x
    x = 523,333,513,095,166,144/828,822,687.49
  6. Step 6: Final answer
    x = 631,417,938.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.