Home / 838,538,343.14-1,157,130,267.86-462,174,219.74

Finding the Fourth Proportional to 838,538,343.14, 1,157,130,267.86 and 462,174,219.74

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Solution

The fourth proportional to 838,538,343.14, 1,157,130,267.86 and 462,174,219.74 is: 637,771,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,538,343.14 : 1,157,130,267.86 = 462,174,219.74 : x
  2. Step 2: Convert to fraction form
    838,538,343.14/1,157,130,267.86 = 462,174,219.74/x
  3. Step 3: Cross multiply
    838,538,343.14x = 1,157,130,267.86 × 462,174,219.74
  4. Step 4: Simplify right side
    838,538,343.14x = 534,795,778,689,780,928
  5. Step 5: Solve for x
    x = 534,795,778,689,780,928/838,538,343.14
  6. Step 6: Final answer
    x = 637,771,406.72

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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.