Home / 12,779,943,127.66-17,638,073,510.99-7,354,367,232.58

Finding the Fourth Proportional to 12,779,943,127.66, 17,638,073,510.99 and 7,354,367,232.58

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Solution

The fourth proportional to 12,779,943,127.66, 17,638,073,510.99 and 7,354,367,232.58 is: 10,150,034,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,943,127.66 : 17,638,073,510.99 = 7,354,367,232.58 : x
  2. Step 2: Convert to fraction form
    12,779,943,127.66/17,638,073,510.99 = 7,354,367,232.58/x
  3. Step 3: Cross multiply
    12,779,943,127.66x = 17,638,073,510.99 × 7,354,367,232.58
  4. Step 4: Simplify right side
    12,779,943,127.66x = 129,716,869,875,062,145,024
  5. Step 5: Solve for x
    x = 129,716,869,875,062,145,024/12,779,943,127.66
  6. Step 6: Final answer
    x = 10,150,034,986.80

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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.