Home / 648,554,552.94-972,423,122.85-550,220,617.74

Finding the Fourth Proportional to 648,554,552.94, 972,423,122.85 and 550,220,617.74

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Solution

The fourth proportional to 648,554,552.94, 972,423,122.85 and 550,220,617.74 is: 824,984,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,554,552.94 : 972,423,122.85 = 550,220,617.74 : x
  2. Step 2: Convert to fraction form
    648,554,552.94/972,423,122.85 = 550,220,617.74/x
  3. Step 3: Cross multiply
    648,554,552.94x = 972,423,122.85 × 550,220,617.74
  4. Step 4: Simplify right side
    648,554,552.94x = 535,047,251,359,186,944
  5. Step 5: Solve for x
    x = 535,047,251,359,186,944/648,554,552.94
  6. Step 6: Final answer
    x = 824,984,188.20

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Double scale
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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.