Home / 1,660,615,374.15-2,291,697,046.02-918,107,266.59

Finding the Fourth Proportional to 1,660,615,374.15, 2,291,697,046.02 and 918,107,266.59

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Solution

The fourth proportional to 1,660,615,374.15, 2,291,697,046.02 and 918,107,266.59 is: 1,267,014,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,615,374.15 : 2,291,697,046.02 = 918,107,266.59 : x
  2. Step 2: Convert to fraction form
    1,660,615,374.15/2,291,697,046.02 = 918,107,266.59/x
  3. Step 3: Cross multiply
    1,660,615,374.15x = 2,291,697,046.02 × 918,107,266.59
  4. Step 4: Simplify right side
    1,660,615,374.15x = 2,104,023,710,773,799,680
  5. Step 5: Solve for x
    x = 2,104,023,710,773,799,680/1,660,615,374.15
  6. Step 6: Final answer
    x = 1,267,014,471.58

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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.