Home / 1,000,423,291.23-1,500,638,545.53-708,407,090.55

Finding the Fourth Proportional to 1,000,423,291.23, 1,500,638,545.53 and 708,407,090.55

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Solution

The fourth proportional to 1,000,423,291.23, 1,500,638,545.53 and 708,407,090.55 is: 1,062,613,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,423,291.23 : 1,500,638,545.53 = 708,407,090.55 : x
  2. Step 2: Convert to fraction form
    1,000,423,291.23/1,500,638,545.53 = 708,407,090.55/x
  3. Step 3: Cross multiply
    1,000,423,291.23x = 1,500,638,545.53 × 708,407,090.55
  4. Step 4: Simplify right side
    1,000,423,291.23x = 1,063,062,986,006,090,880
  5. Step 5: Solve for x
    x = 1,063,062,986,006,090,880/1,000,423,291.23
  6. Step 6: Final answer
    x = 1,062,613,191.16

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Half scale
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Double scale
Find fourth proportional to 1,000,423,292.23, 1,500,638,547.03 and 708,407,091.55
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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.