Home / 479,574,128.64-719,386,597.91-147,809,008.34

Finding the Fourth Proportional to 479,574,128.64, 719,386,597.91 and 147,809,008.34

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Solution

The fourth proportional to 479,574,128.64, 719,386,597.91 and 147,809,008.34 is: 221,721,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,574,128.64 : 719,386,597.91 = 147,809,008.34 : x
  2. Step 2: Convert to fraction form
    479,574,128.64/719,386,597.91 = 147,809,008.34/x
  3. Step 3: Cross multiply
    479,574,128.64x = 719,386,597.91 × 147,809,008.34
  4. Step 4: Simplify right side
    479,574,128.64x = 106,331,819,645,827,440
  5. Step 5: Solve for x
    x = 106,331,819,645,827,440/479,574,128.64
  6. Step 6: Final answer
    x = 221,721,342.53

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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.