Home / 1,124,106,525.79-1,551,429,348.23-647,705,687.56

Finding the Fourth Proportional to 1,124,106,525.79, 1,551,429,348.23 and 647,705,687.56

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Solution

The fourth proportional to 1,124,106,525.79, 1,551,429,348.23 and 647,705,687.56 is: 893,927,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,106,525.79 : 1,551,429,348.23 = 647,705,687.56 : x
  2. Step 2: Convert to fraction form
    1,124,106,525.79/1,551,429,348.23 = 647,705,687.56/x
  3. Step 3: Cross multiply
    1,124,106,525.79x = 1,551,429,348.23 × 647,705,687.56
  4. Step 4: Simplify right side
    1,124,106,525.79x = 1,004,869,612,696,074,752
  5. Step 5: Solve for x
    x = 1,004,869,612,696,074,752/1,124,106,525.79
  6. Step 6: Final answer
    x = 893,927,390.01

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Double scale
Find fourth proportional to 1,124,106,526.79, 1,551,429,349.61 and 647,705,688.56
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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.