Home / 1,108,249,073.92-1,529,385,513.60-613,232,646.40

Finding the Fourth Proportional to 1,108,249,073.92, 1,529,385,513.60 and 613,232,646.40

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Solution

The fourth proportional to 1,108,249,073.92, 1,529,385,513.60 and 613,232,646.40 is: 846,262,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,249,073.92 : 1,529,385,513.60 = 613,232,646.40 : x
  2. Step 2: Convert to fraction form
    1,108,249,073.92/1,529,385,513.60 = 613,232,646.40/x
  3. Step 3: Cross multiply
    1,108,249,073.92x = 1,529,385,513.60 × 613,232,646.40
  4. Step 4: Simplify right side
    1,108,249,073.92x = 937,869,125,870,751,104
  5. Step 5: Solve for x
    x = 937,869,125,870,751,104/1,108,249,073.92
  6. Step 6: Final answer
    x = 846,262,043.38

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Double scale
Find fourth proportional to 1,108,249,074.92, 1,529,385,514.98 and 613,232,647.40
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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.