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Finding the Fourth Proportional to 1,281,547,536.30, 1,798,248,017.70 and 1,281,547,536.30

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Solution

The fourth proportional to 1,281,547,536.30, 1,798,248,017.70 and 1,281,547,536.30 is: 1,798,248,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,547,536.30 : 1,798,248,017.70 = 1,281,547,536.30 : x
  2. Step 2: Convert to fraction form
    1,281,547,536.30/1,798,248,017.70 = 1,281,547,536.30/x
  3. Step 3: Cross multiply
    1,281,547,536.30x = 1,798,248,017.70 × 1,281,547,536.30
  4. Step 4: Simplify right side
    1,281,547,536.30x = 2,304,540,316,739,793,664
  5. Step 5: Solve for x
    x = 2,304,540,316,739,793,664/1,281,547,536.30
  6. Step 6: Final answer
    x = 1,798,248,017.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.