Home / 8,424,985,442.07-11,620,881,639.11-5,418,039,701.21

Finding the Fourth Proportional to 8,424,985,442.07, 11,620,881,639.11 and 5,418,039,701.21

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Solution

The fourth proportional to 8,424,985,442.07, 11,620,881,639.11 and 5,418,039,701.21 is: 7,473,294,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,985,442.07 : 11,620,881,639.11 = 5,418,039,701.21 : x
  2. Step 2: Convert to fraction form
    8,424,985,442.07/11,620,881,639.11 = 5,418,039,701.21/x
  3. Step 3: Cross multiply
    8,424,985,442.07x = 11,620,881,639.11 × 5,418,039,701.21
  4. Step 4: Simplify right side
    8,424,985,442.07x = 62,962,398,083,733,225,472
  5. Step 5: Solve for x
    x = 62,962,398,083,733,225,472/8,424,985,442.07
  6. Step 6: Final answer
    x = 7,473,294,585.10

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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.