Home / 473,000,880.69-648,000,374.28-455,316,328.47

Finding the Fourth Proportional to 473,000,880.69, 648,000,374.28 and 455,316,328.47

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Solution

The fourth proportional to 473,000,880.69, 648,000,374.28 and 455,316,328.47 is: 623,772,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,000,880.69 : 648,000,374.28 = 455,316,328.47 : x
  2. Step 2: Convert to fraction form
    473,000,880.69/648,000,374.28 = 455,316,328.47/x
  3. Step 3: Cross multiply
    473,000,880.69x = 648,000,374.28 × 455,316,328.47
  4. Step 4: Simplify right side
    473,000,880.69x = 295,045,151,264,355,456
  5. Step 5: Solve for x
    x = 295,045,151,264,355,456/473,000,880.69
  6. Step 6: Final answer
    x = 623,772,942.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.