Home / 1,276,960,450.74-1,762,204,642.54-690,249,586.74

Finding the Fourth Proportional to 1,276,960,450.74, 1,762,204,642.54 and 690,249,586.74

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Solution

The fourth proportional to 1,276,960,450.74, 1,762,204,642.54 and 690,249,586.74 is: 952,544,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,960,450.74 : 1,762,204,642.54 = 690,249,586.74 : x
  2. Step 2: Convert to fraction form
    1,276,960,450.74/1,762,204,642.54 = 690,249,586.74/x
  3. Step 3: Cross multiply
    1,276,960,450.74x = 1,762,204,642.54 × 690,249,586.74
  4. Step 4: Simplify right side
    1,276,960,450.74x = 1,216,361,026,256,210,432
  5. Step 5: Solve for x
    x = 1,216,361,026,256,210,432/1,276,960,450.74
  6. Step 6: Final answer
    x = 952,544,008.36

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Half scale
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Double scale
Find fourth proportional to 1,276,960,451.74, 1,762,204,643.92 and 690,249,587.74
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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.