Home / 77,211,241,341.65-106,548,795,424.82-42,448,808,679.51

Finding the Fourth Proportional to 77,211,241,341.65, 106,548,795,424.82 and 42,448,808,679.51

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Solution

The fourth proportional to 77,211,241,341.65, 106,548,795,424.82 and 42,448,808,679.51 is: 58,577,861,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,211,241,341.65 : 106,548,795,424.82 = 42,448,808,679.51 : x
  2. Step 2: Convert to fraction form
    77,211,241,341.65/106,548,795,424.82 = 42,448,808,679.51/x
  3. Step 3: Cross multiply
    77,211,241,341.65x = 106,548,795,424.82 × 42,448,808,679.51
  4. Step 4: Simplify right side
    77,211,241,341.65x = 4,522,869,432,020,754,759,680
  5. Step 5: Solve for x
    x = 4,522,869,432,020,754,759,680/77,211,241,341.65
  6. Step 6: Final answer
    x = 58,577,861,894.59

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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.