Home / 724,843,354.02-1,000,255,673.95-443,057,601.79

Finding the Fourth Proportional to 724,843,354.02, 1,000,255,673.95 and 443,057,601.79

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Solution

The fourth proportional to 724,843,354.02, 1,000,255,673.95 and 443,057,601.79 is: 611,402,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,843,354.02 : 1,000,255,673.95 = 443,057,601.79 : x
  2. Step 2: Convert to fraction form
    724,843,354.02/1,000,255,673.95 = 443,057,601.79/x
  3. Step 3: Cross multiply
    724,843,354.02x = 1,000,255,673.95 × 443,057,601.79
  4. Step 4: Simplify right side
    724,843,354.02x = 443,170,880,077,127,232
  5. Step 5: Solve for x
    x = 443,170,880,077,127,232/724,843,354.02
  6. Step 6: Final answer
    x = 611,402,281.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.