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Finding the Fourth Proportional to 553,681,805.60, 830,522,708.40 and 553,681,805.60

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Solution

The fourth proportional to 553,681,805.60, 830,522,708.40 and 553,681,805.60 is: 830,522,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,681,805.60 : 830,522,708.40 = 553,681,805.60 : x
  2. Step 2: Convert to fraction form
    553,681,805.60/830,522,708.40 = 553,681,805.60/x
  3. Step 3: Cross multiply
    553,681,805.60x = 830,522,708.40 × 553,681,805.60
  4. Step 4: Simplify right side
    553,681,805.60x = 459,845,312,778,714,304
  5. Step 5: Solve for x
    x = 459,845,312,778,714,304/553,681,805.60
  6. Step 6: Final answer
    x = 830,522,708.40

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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.