Home / 636,596,059.60-878,502,602.76-354,332,424.05

Finding the Fourth Proportional to 636,596,059.60, 878,502,602.76 and 354,332,424.05

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Solution

The fourth proportional to 636,596,059.60, 878,502,602.76 and 354,332,424.05 is: 488,978,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,596,059.60 : 878,502,602.76 = 354,332,424.05 : x
  2. Step 2: Convert to fraction form
    636,596,059.60/878,502,602.76 = 354,332,424.05/x
  3. Step 3: Cross multiply
    636,596,059.60x = 878,502,602.76 × 354,332,424.05
  4. Step 4: Simplify right side
    636,596,059.60x = 311,281,956,772,683,008
  5. Step 5: Solve for x
    x = 311,281,956,772,683,008/636,596,059.60
  6. Step 6: Final answer
    x = 488,978,767.74

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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.