Home / 839,263,460.67-1,158,163,286.52-462,911,965.92

Finding the Fourth Proportional to 839,263,460.67, 1,158,163,286.52 and 462,911,965.92

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Solution

The fourth proportional to 839,263,460.67, 1,158,163,286.52 and 462,911,965.92 is: 638,807,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,263,460.67 : 1,158,163,286.52 = 462,911,965.92 : x
  2. Step 2: Convert to fraction form
    839,263,460.67/1,158,163,286.52 = 462,911,965.92/x
  3. Step 3: Cross multiply
    839,263,460.67x = 1,158,163,286.52 × 462,911,965.92
  4. Step 4: Simplify right side
    839,263,460.67x = 536,127,643,819,341,440
  5. Step 5: Solve for x
    x = 536,127,643,819,341,440/839,263,460.67
  6. Step 6: Final answer
    x = 638,807,322.07

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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.