Home / 927,148,045,347.90-1,390,722,068,021.90-674,423,616,138.30

Finding the Fourth Proportional to 927,148,045,347.90, 1,390,722,068,021.90 and 674,423,616,138.30

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Solution

The fourth proportional to 927,148,045,347.90, 1,390,722,068,021.90 and 674,423,616,138.30 is: 1,011,635,424,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,148,045,347.90 : 1,390,722,068,021.90 = 674,423,616,138.30 : x
  2. Step 2: Convert to fraction form
    927,148,045,347.90/1,390,722,068,021.90 = 674,423,616,138.30/x
  3. Step 3: Cross multiply
    927,148,045,347.90x = 1,390,722,068,021.90 × 674,423,616,138.30
  4. Step 4: Simplify right side
    927,148,045,347.90x = 937,935,806,158,664,567,357,440
  5. Step 5: Solve for x
    x = 937,935,806,158,664,567,357,440/927,148,045,347.90
  6. Step 6: Final answer
    x = 1,011,635,424,207.49

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Double scale
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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.