Home / 778,955,288.45-1,166,578,129.69-450,739,098.32

Finding the Fourth Proportional to 778,955,288.45, 1,166,578,129.69 and 450,739,098.32

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Solution

The fourth proportional to 778,955,288.45, 1,166,578,129.69 and 450,739,098.32 is: 675,035,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,955,288.45 : 1,166,578,129.69 = 450,739,098.32 : x
  2. Step 2: Convert to fraction form
    778,955,288.45/1,166,578,129.69 = 450,739,098.32/x
  3. Step 3: Cross multiply
    778,955,288.45x = 1,166,578,129.69 × 450,739,098.32
  4. Step 4: Simplify right side
    778,955,288.45x = 525,822,374,289,342,848
  5. Step 5: Solve for x
    x = 525,822,374,289,342,848/778,955,288.45
  6. Step 6: Final answer
    x = 675,035,373.77

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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.