Home / 740,516,965.87-1,022,017,513.40-458,349,912.67

Finding the Fourth Proportional to 740,516,965.87, 1,022,017,513.40 and 458,349,912.67

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Solution

The fourth proportional to 740,516,965.87, 1,022,017,513.40 and 458,349,912.67 is: 632,587,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,516,965.87 : 1,022,017,513.40 = 458,349,912.67 : x
  2. Step 2: Convert to fraction form
    740,516,965.87/1,022,017,513.40 = 458,349,912.67/x
  3. Step 3: Cross multiply
    740,516,965.87x = 1,022,017,513.40 × 458,349,912.67
  4. Step 4: Simplify right side
    740,516,965.87x = 468,441,638,010,136,384
  5. Step 5: Solve for x
    x = 468,441,638,010,136,384/740,516,965.87
  6. Step 6: Final answer
    x = 632,587,313.46

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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.