Home / 1,088,506,483.10-1,502,095,680.35-642,613,481.42

Finding the Fourth Proportional to 1,088,506,483.10, 1,502,095,680.35 and 642,613,481.42

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Solution

The fourth proportional to 1,088,506,483.10, 1,502,095,680.35 and 642,613,481.42 is: 886,781,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,506,483.10 : 1,502,095,680.35 = 642,613,481.42 : x
  2. Step 2: Convert to fraction form
    1,088,506,483.10/1,502,095,680.35 = 642,613,481.42/x
  3. Step 3: Cross multiply
    1,088,506,483.10x = 1,502,095,680.35 × 642,613,481.42
  4. Step 4: Simplify right side
    1,088,506,483.10x = 965,266,934,575,656,832
  5. Step 5: Solve for x
    x = 965,266,934,575,656,832/1,088,506,483.10
  6. Step 6: Final answer
    x = 886,781,061.54

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Double scale
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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.