Home / 648,554,549.94-972,423,118.35-550,220,614.74

Finding the Fourth Proportional to 648,554,549.94, 972,423,118.35 and 550,220,614.74

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Solution

The fourth proportional to 648,554,549.94, 972,423,118.35 and 550,220,614.74 is: 824,984,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,554,549.94 : 972,423,118.35 = 550,220,614.74 : x
  2. Step 2: Convert to fraction form
    648,554,549.94/972,423,118.35 = 550,220,614.74/x
  3. Step 3: Cross multiply
    648,554,549.94x = 972,423,118.35 × 550,220,614.74
  4. Step 4: Simplify right side
    648,554,549.94x = 535,047,245,965,924,800
  5. Step 5: Solve for x
    x = 535,047,245,965,924,800/648,554,549.94
  6. Step 6: Final answer
    x = 824,984,183.70

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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.