Home / 490,564,071.77-735,955,482.21-140,782,873.13

Finding the Fourth Proportional to 490,564,071.77, 735,955,482.21 and 140,782,873.13

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Solution

The fourth proportional to 490,564,071.77, 735,955,482.21 and 140,782,873.13 is: 211,205,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,564,071.77 : 735,955,482.21 = 140,782,873.13 : x
  2. Step 2: Convert to fraction form
    490,564,071.77/735,955,482.21 = 140,782,873.13/x
  3. Step 3: Cross multiply
    490,564,071.77x = 735,955,482.21 × 140,782,873.13
  4. Step 4: Simplify right side
    490,564,071.77x = 103,609,927,281,298,400
  5. Step 5: Solve for x
    x = 103,609,927,281,298,400/490,564,071.77
  6. Step 6: Final answer
    x = 211,205,698.18

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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.