Home / 10,242,849,857.76-14,135,147,146.80-5,549,162,945.76

Finding the Fourth Proportional to 10,242,849,857.76, 14,135,147,146.80 and 5,549,162,945.76

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Solution

The fourth proportional to 10,242,849,857.76, 14,135,147,146.80 and 5,549,162,945.76 is: 7,657,852,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242,849,857.76 : 14,135,147,146.80 = 5,549,162,945.76 : x
  2. Step 2: Convert to fraction form
    10,242,849,857.76/14,135,147,146.80 = 5,549,162,945.76/x
  3. Step 3: Cross multiply
    10,242,849,857.76x = 14,135,147,146.80 × 5,549,162,945.76
  4. Step 4: Simplify right side
    10,242,849,857.76x = 78,438,234,779,887,747,072
  5. Step 5: Solve for x
    x = 78,438,234,779,887,747,072/10,242,849,857.76
  6. Step 6: Final answer
    x = 7,657,852,635.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.