Home / 1,114,880,201.60-1,672,320,302.40-387,868,913.60

Finding the Fourth Proportional to 1,114,880,201.60, 1,672,320,302.40 and 387,868,913.60

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Solution

The fourth proportional to 1,114,880,201.60, 1,672,320,302.40 and 387,868,913.60 is: 581,803,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,880,201.60 : 1,672,320,302.40 = 387,868,913.60 : x
  2. Step 2: Convert to fraction form
    1,114,880,201.60/1,672,320,302.40 = 387,868,913.60/x
  3. Step 3: Cross multiply
    1,114,880,201.60x = 1,672,320,302.40 × 387,868,913.60
  4. Step 4: Simplify right side
    1,114,880,201.60x = 648,641,058,883,111,552
  5. Step 5: Solve for x
    x = 648,641,058,883,111,552/1,114,880,201.60
  6. Step 6: Final answer
    x = 581,803,370.40

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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.