Home / 1,092,166,240.60-1,638,249,360.90-724,834,221.40

Finding the Fourth Proportional to 1,092,166,240.60, 1,638,249,360.90 and 724,834,221.40

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Solution

The fourth proportional to 1,092,166,240.60, 1,638,249,360.90 and 724,834,221.40 is: 1,087,251,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,166,240.60 : 1,638,249,360.90 = 724,834,221.40 : x
  2. Step 2: Convert to fraction form
    1,092,166,240.60/1,638,249,360.90 = 724,834,221.40/x
  3. Step 3: Cross multiply
    1,092,166,240.60x = 1,638,249,360.90 × 724,834,221.40
  4. Step 4: Simplify right side
    1,092,166,240.60x = 1,187,459,199,966,999,040
  5. Step 5: Solve for x
    x = 1,187,459,199,966,999,040/1,092,166,240.60
  6. Step 6: Final answer
    x = 1,087,251,332.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.