Home / 749,290,118,182.02-1,123,802,319,425.40-340,780,806,167.34

Finding the Fourth Proportional to 749,290,118,182.02, 1,123,802,319,425.40 and 340,780,806,167.34

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Solution

The fourth proportional to 749,290,118,182.02, 1,123,802,319,425.40 and 340,780,806,167.34 is: 511,110,784,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,290,118,182.02 : 1,123,802,319,425.40 = 340,780,806,167.34 : x
  2. Step 2: Convert to fraction form
    749,290,118,182.02/1,123,802,319,425.40 = 340,780,806,167.34/x
  3. Step 3: Cross multiply
    749,290,118,182.02x = 1,123,802,319,425.40 × 340,780,806,167.34
  4. Step 4: Simplify right side
    749,290,118,182.02x = 382,970,260,386,514,353,520,640
  5. Step 5: Solve for x
    x = 382,970,260,386,514,353,520,640/749,290,118,182.02
  6. Step 6: Final answer
    x = 511,110,784,852.87

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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.