Home / 1,223,657,353,950.10-1,688,652,398,315.70-667,474,601,435.10

Finding the Fourth Proportional to 1,223,657,353,950.10, 1,688,652,398,315.70 and 667,474,601,435.10

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Solution

The fourth proportional to 1,223,657,353,950.10, 1,688,652,398,315.70 and 667,474,601,435.10 is: 921,117,813,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,950.10 : 1,688,652,398,315.70 = 667,474,601,435.10 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,950.10/1,688,652,398,315.70 = 667,474,601,435.10/x
  3. Step 3: Cross multiply
    1,223,657,353,950.10x = 1,688,652,398,315.70 × 667,474,601,435.10
  4. Step 4: Simplify right side
    1,223,657,353,950.10x = 1,127,132,586,528,197,488,672,768
  5. Step 5: Solve for x
    x = 1,127,132,586,528,197,488,672,768/1,223,657,353,950.10
  6. Step 6: Final answer
    x = 921,117,813,650.77

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Double scale
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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.