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Finding the Fourth Proportional to 971,244,673.10, 1,456,867,009.65 and 869,208,001.10

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Solution

The fourth proportional to 971,244,673.10, 1,456,867,009.65 and 869,208,001.10 is: 1,303,812,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,244,673.10 : 1,456,867,009.65 = 869,208,001.10 : x
  2. Step 2: Convert to fraction form
    971,244,673.10/1,456,867,009.65 = 869,208,001.10/x
  3. Step 3: Cross multiply
    971,244,673.10x = 1,456,867,009.65 × 869,208,001.10
  4. Step 4: Simplify right side
    971,244,673.10x = 1,266,320,461,326,411,008
  5. Step 5: Solve for x
    x = 1,266,320,461,326,411,008/971,244,673.10
  6. Step 6: Final answer
    x = 1,303,812,001.65

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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.