Home / 1,539,118,799.31-2,123,927,040.56-834,255,646.95

Finding the Fourth Proportional to 1,539,118,799.31, 2,123,927,040.56 and 834,255,646.95

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Solution

The fourth proportional to 1,539,118,799.31, 2,123,927,040.56 and 834,255,646.95 is: 1,151,241,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,118,799.31 : 2,123,927,040.56 = 834,255,646.95 : x
  2. Step 2: Convert to fraction form
    1,539,118,799.31/2,123,927,040.56 = 834,255,646.95/x
  3. Step 3: Cross multiply
    1,539,118,799.31x = 2,123,927,040.56 × 834,255,646.95
  4. Step 4: Simplify right side
    1,539,118,799.31x = 1,771,898,127,292,810,496
  5. Step 5: Solve for x
    x = 1,771,898,127,292,810,496/1,539,118,799.31
  6. Step 6: Final answer
    x = 1,151,241,949.67

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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.