Home / 762,627,437.79-1,052,394,875.06-432,595,490.91

Finding the Fourth Proportional to 762,627,437.79, 1,052,394,875.06 and 432,595,490.91

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Solution

The fourth proportional to 762,627,437.79, 1,052,394,875.06 and 432,595,490.91 is: 596,964,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,627,437.79 : 1,052,394,875.06 = 432,595,490.91 : x
  2. Step 2: Convert to fraction form
    762,627,437.79/1,052,394,875.06 = 432,595,490.91/x
  3. Step 3: Cross multiply
    762,627,437.79x = 1,052,394,875.06 × 432,595,490.91
  4. Step 4: Simplify right side
    762,627,437.79x = 455,261,277,605,585,856
  5. Step 5: Solve for x
    x = 455,261,277,605,585,856/762,627,437.79
  6. Step 6: Final answer
    x = 596,964,199.09

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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.