Home / 287,348,688,001.90-431,023,032,002.85-287,348,688,001.90

Finding the Fourth Proportional to 287,348,688,001.90, 431,023,032,002.85 and 287,348,688,001.90

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Solution

The fourth proportional to 287,348,688,001.90, 431,023,032,002.85 and 287,348,688,001.90 is: 431,023,032,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,348,688,001.90 : 431,023,032,002.85 = 287,348,688,001.90 : x
  2. Step 2: Convert to fraction form
    287,348,688,001.90/431,023,032,002.85 = 287,348,688,001.90/x
  3. Step 3: Cross multiply
    287,348,688,001.90x = 431,023,032,002.85 × 287,348,688,001.90
  4. Step 4: Simplify right side
    287,348,688,001.90x = 123,853,902,744,619,914,887,168
  5. Step 5: Solve for x
    x = 123,853,902,744,619,914,887,168/287,348,688,001.90
  6. Step 6: Final answer
    x = 431,023,032,002.85

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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.