Home / 612,326,833.06-918,493,903.28-152,265,002.40

Finding the Fourth Proportional to 612,326,833.06, 918,493,903.28 and 152,265,002.40

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Solution

The fourth proportional to 612,326,833.06, 918,493,903.28 and 152,265,002.40 is: 228,398,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,326,833.06 : 918,493,903.28 = 152,265,002.40 : x
  2. Step 2: Convert to fraction form
    612,326,833.06/918,493,903.28 = 152,265,002.40/x
  3. Step 3: Cross multiply
    612,326,833.06x = 918,493,903.28 × 152,265,002.40
  4. Step 4: Simplify right side
    612,326,833.06x = 139,854,476,387,314,576
  5. Step 5: Solve for x
    x = 139,854,476,387,314,576/612,326,833.06
  6. Step 6: Final answer
    x = 228,398,412.15

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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.