Home / 657,639,656,152.20-918,711,925,709.40-657,639,656,152.20

Finding the Fourth Proportional to 657,639,656,152.20, 918,711,925,709.40 and 657,639,656,152.20

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Solution

The fourth proportional to 657,639,656,152.20, 918,711,925,709.40 and 657,639,656,152.20 is: 918,711,925,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,639,656,152.20 : 918,711,925,709.40 = 657,639,656,152.20 : x
  2. Step 2: Convert to fraction form
    657,639,656,152.20/918,711,925,709.40 = 657,639,656,152.20/x
  3. Step 3: Cross multiply
    657,639,656,152.20x = 918,711,925,709.40 × 657,639,656,152.20
  4. Step 4: Simplify right side
    657,639,656,152.20x = 604,181,394,926,455,303,962,624
  5. Step 5: Solve for x
    x = 604,181,394,926,455,303,962,624/657,639,656,152.20
  6. Step 6: Final answer
    x = 918,711,925,709.40

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Double scale
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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.