Home / 705,371,260.26-973,294,678.08-392,062,875.96

Finding the Fourth Proportional to 705,371,260.26, 973,294,678.08 and 392,062,875.96

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Solution

The fourth proportional to 705,371,260.26, 973,294,678.08 and 392,062,875.96 is: 540,981,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,371,260.26 : 973,294,678.08 = 392,062,875.96 : x
  2. Step 2: Convert to fraction form
    705,371,260.26/973,294,678.08 = 392,062,875.96/x
  3. Step 3: Cross multiply
    705,371,260.26x = 973,294,678.08 × 392,062,875.96
  4. Step 4: Simplify right side
    705,371,260.26x = 381,592,710,644,607,168
  5. Step 5: Solve for x
    x = 381,592,710,644,607,168/705,371,260.26
  6. Step 6: Final answer
    x = 540,981,369.87

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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.