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Finding the Fourth Proportional to 673,665,701.76, 930,095,929.44 and 602,978,798.88

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Solution

The fourth proportional to 673,665,701.76, 930,095,929.44 and 602,978,798.88 is: 832,502,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,665,701.76 : 930,095,929.44 = 602,978,798.88 : x
  2. Step 2: Convert to fraction form
    673,665,701.76/930,095,929.44 = 602,978,798.88/x
  3. Step 3: Cross multiply
    673,665,701.76x = 930,095,929.44 × 602,978,798.88
  4. Step 4: Simplify right side
    673,665,701.76x = 560,828,126,376,908,480
  5. Step 5: Solve for x
    x = 560,828,126,376,908,480/673,665,701.76
  6. Step 6: Final answer
    x = 832,502,122.21

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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.