Home / 1,358,421,870.60-1,874,628,529.74-771,743,199.24

Finding the Fourth Proportional to 1,358,421,870.60, 1,874,628,529.74 and 771,743,199.24

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Solution

The fourth proportional to 1,358,421,870.60, 1,874,628,529.74 and 771,743,199.24 is: 1,065,009,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,421,870.60 : 1,874,628,529.74 = 771,743,199.24 : x
  2. Step 2: Convert to fraction form
    1,358,421,870.60/1,874,628,529.74 = 771,743,199.24/x
  3. Step 3: Cross multiply
    1,358,421,870.60x = 1,874,628,529.74 × 771,743,199.24
  4. Step 4: Simplify right side
    1,358,421,870.60x = 1,446,731,818,928,125,184
  5. Step 5: Solve for x
    x = 1,446,731,818,928,125,184/1,358,421,870.60
  6. Step 6: Final answer
    x = 1,065,009,221.54

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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.