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Finding the Fourth Proportional to 191,772,648,020.20, 287,658,972,030.30 and 191,772,648,020.20

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Solution

The fourth proportional to 191,772,648,020.20, 287,658,972,030.30 and 191,772,648,020.20 is: 287,658,972,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,772,648,020.20 : 287,658,972,030.30 = 191,772,648,020.20 : x
  2. Step 2: Convert to fraction form
    191,772,648,020.20/287,658,972,030.30 = 191,772,648,020.20/x
  3. Step 3: Cross multiply
    191,772,648,020.20x = 287,658,972,030.30 × 191,772,648,020.20
  4. Step 4: Simplify right side
    191,772,648,020.20x = 55,165,122,793,019,281,506,304
  5. Step 5: Solve for x
    x = 55,165,122,793,019,281,506,304/191,772,648,020.20
  6. Step 6: Final answer
    x = 287,658,972,030.30

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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.