Home / 769,559,394.38-1,061,963,512.98-417,127,818.29

Finding the Fourth Proportional to 769,559,394.38, 1,061,963,512.98 and 417,127,818.29

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Solution

The fourth proportional to 769,559,394.38, 1,061,963,512.98 and 417,127,818.29 is: 575,620,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,394.38 : 1,061,963,512.98 = 417,127,818.29 : x
  2. Step 2: Convert to fraction form
    769,559,394.38/1,061,963,512.98 = 417,127,818.29/x
  3. Step 3: Cross multiply
    769,559,394.38x = 1,061,963,512.98 × 417,127,818.29
  4. Step 4: Simplify right side
    769,559,394.38x = 442,974,523,272,931,520
  5. Step 5: Solve for x
    x = 442,974,523,272,931,520/769,559,394.38
  6. Step 6: Final answer
    x = 575,620,967.67

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Double scale
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1.5x scale

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.