Home / 648,878,188.10-971,703,030.10-453,876,541.96

Finding the Fourth Proportional to 648,878,188.10, 971,703,030.10 and 453,876,541.96

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Solution

The fourth proportional to 648,878,188.10, 971,703,030.10 and 453,876,541.96 is: 679,685,677.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,878,188.10 : 971,703,030.10 = 453,876,541.96 : x
  2. Step 2: Convert to fraction form
    648,878,188.10/971,703,030.10 = 453,876,541.96/x
  3. Step 3: Cross multiply
    648,878,188.10x = 971,703,030.10 × 453,876,541.96
  4. Step 4: Simplify right side
    648,878,188.10x = 441,033,211,113,841,792
  5. Step 5: Solve for x
    x = 441,033,211,113,841,792/648,878,188.10
  6. Step 6: Final answer
    x = 679,685,677.84

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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.