Home / 771,022,360.59-1,156,643,355.59-239,279,726.31

Finding the Fourth Proportional to 771,022,360.59, 1,156,643,355.59 and 239,279,726.31

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Solution

The fourth proportional to 771,022,360.59, 1,156,643,355.59 and 239,279,726.31 is: 358,953,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,022,360.59 : 1,156,643,355.59 = 239,279,726.31 : x
  2. Step 2: Convert to fraction form
    771,022,360.59/1,156,643,355.59 = 239,279,726.31/x
  3. Step 3: Cross multiply
    771,022,360.59x = 1,156,643,355.59 × 239,279,726.31
  4. Step 4: Simplify right side
    771,022,360.59x = 276,761,305,563,855,200
  5. Step 5: Solve for x
    x = 276,761,305,563,855,200/771,022,360.59
  6. Step 6: Final answer
    x = 358,953,669.45

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1.5x scale

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.