Home / 1,257,001,331,235.40-1,885,501,996,853-860,282,750,499.35

Finding the Fourth Proportional to 1,257,001,331,235.40, 1,885,501,996,853 and 860,282,750,499.35

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Solution

The fourth proportional to 1,257,001,331,235.40, 1,885,501,996,853 and 860,282,750,499.35 is: 1,290,424,125,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,001,331,235.40 : 1,885,501,996,853 = 860,282,750,499.35 : x
  2. Step 2: Convert to fraction form
    1,257,001,331,235.40/1,885,501,996,853 = 860,282,750,499.35/x
  3. Step 3: Cross multiply
    1,257,001,331,235.40x = 1,885,501,996,853 × 860,282,750,499.35
  4. Step 4: Simplify right side
    1,257,001,331,235.40x = 1,622,064,843,924,715,645,960,192
  5. Step 5: Solve for x
    x = 1,622,064,843,924,715,645,960,192/1,257,001,331,235.40
  6. Step 6: Final answer
    x = 1,290,424,125,748.96

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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.