Home / 67,122,606,493.80-100,683,909,740.70-42,307,287,863.40

Finding the Fourth Proportional to 67,122,606,493.80, 100,683,909,740.70 and 42,307,287,863.40

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Solution

The fourth proportional to 67,122,606,493.80, 100,683,909,740.70 and 42,307,287,863.40 is: 63,460,931,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122,606,493.80 : 100,683,909,740.70 = 42,307,287,863.40 : x
  2. Step 2: Convert to fraction form
    67,122,606,493.80/100,683,909,740.70 = 42,307,287,863.40/x
  3. Step 3: Cross multiply
    67,122,606,493.80x = 100,683,909,740.70 × 42,307,287,863.40
  4. Step 4: Simplify right side
    67,122,606,493.80x = 4,259,663,152,612,378,148,864
  5. Step 5: Solve for x
    x = 4,259,663,152,612,378,148,864/67,122,606,493.80
  6. Step 6: Final answer
    x = 63,460,931,795.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.