Home / 679,666,532.79-937,889,111.34-382,251,314.52

Finding the Fourth Proportional to 679,666,532.79, 937,889,111.34 and 382,251,314.52

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Solution

The fourth proportional to 679,666,532.79, 937,889,111.34 and 382,251,314.52 is: 527,478,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,666,532.79 : 937,889,111.34 = 382,251,314.52 : x
  2. Step 2: Convert to fraction form
    679,666,532.79/937,889,111.34 = 382,251,314.52/x
  3. Step 3: Cross multiply
    679,666,532.79x = 937,889,111.34 × 382,251,314.52
  4. Step 4: Simplify right side
    679,666,532.79x = 358,509,345,683,709,632
  5. Step 5: Solve for x
    x = 358,509,345,683,709,632/679,666,532.79
  6. Step 6: Final answer
    x = 527,478,297.65

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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.