Home / 1,574,440,774.75-2,172,715,356.93-859,976,783.68

Finding the Fourth Proportional to 1,574,440,774.75, 2,172,715,356.93 and 859,976,783.68

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Solution

The fourth proportional to 1,574,440,774.75, 2,172,715,356.93 and 859,976,783.68 is: 1,186,760,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,440,774.75 : 2,172,715,356.93 = 859,976,783.68 : x
  2. Step 2: Convert to fraction form
    1,574,440,774.75/2,172,715,356.93 = 859,976,783.68/x
  3. Step 3: Cross multiply
    1,574,440,774.75x = 2,172,715,356.93 × 859,976,783.68
  4. Step 4: Simplify right side
    1,574,440,774.75x = 1,868,484,764,504,804,352
  5. Step 5: Solve for x
    x = 1,868,484,764,504,804,352/1,574,440,774.75
  6. Step 6: Final answer
    x = 1,186,760,908.68

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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.