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Finding the Fourth Proportional to 292,553,475,430.40, 438,830,213,145.60 and 292,553,475,430.40

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Solution

The fourth proportional to 292,553,475,430.40, 438,830,213,145.60 and 292,553,475,430.40 is: 438,830,213,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,553,475,430.40 : 438,830,213,145.60 = 292,553,475,430.40 : x
  2. Step 2: Convert to fraction form
    292,553,475,430.40/438,830,213,145.60 = 292,553,475,430.40/x
  3. Step 3: Cross multiply
    292,553,475,430.40x = 438,830,213,145.60 × 292,553,475,430.40
  4. Step 4: Simplify right side
    292,553,475,430.40x = 128,381,303,979,608,492,736,512
  5. Step 5: Solve for x
    x = 128,381,303,979,608,492,736,512/292,553,475,430.40
  6. Step 6: Final answer
    x = 438,830,213,145.60

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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.