Home / 1,402,269,465-1,935,188,840.34-775,727,090.76

Finding the Fourth Proportional to 1,402,269,465, 1,935,188,840.34 and 775,727,090.76

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Solution

The fourth proportional to 1,402,269,465, 1,935,188,840.34 and 775,727,090.76 is: 1,070,534,905.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,269,465 : 1,935,188,840.34 = 775,727,090.76 : x
  2. Step 2: Convert to fraction form
    1,402,269,465/1,935,188,840.34 = 775,727,090.76/x
  3. Step 3: Cross multiply
    1,402,269,465x = 1,935,188,840.34 × 775,727,090.76
  4. Step 4: Simplify right side
    1,402,269,465x = 1,501,178,409,188,166,144
  5. Step 5: Solve for x
    x = 1,501,178,409,188,166,144/1,402,269,465
  6. Step 6: Final answer
    x = 1,070,534,905.49

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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.