Home / 805,975,679,275-1,209,133,333,795.20-261,381,712,836.39

Finding the Fourth Proportional to 805,975,679,275, 1,209,133,333,795.20 and 261,381,712,836.39

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Solution

The fourth proportional to 805,975,679,275, 1,209,133,333,795.20 and 261,381,712,836.39 is: 392,127,641,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,975,679,275 : 1,209,133,333,795.20 = 261,381,712,836.39 : x
  2. Step 2: Convert to fraction form
    805,975,679,275/1,209,133,333,795.20 = 261,381,712,836.39/x
  3. Step 3: Cross multiply
    805,975,679,275x = 1,209,133,333,795.20 × 261,381,712,836.39
  4. Step 4: Simplify right side
    805,975,679,275x = 316,045,341,834,963,880,771,584
  5. Step 5: Solve for x
    x = 316,045,341,834,963,880,771,584/805,975,679,275
  6. Step 6: Final answer
    x = 392,127,641,021.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.