Home / 769,559,408.95-1,061,963,533.05-417,127,832.86

Finding the Fourth Proportional to 769,559,408.95, 1,061,963,533.05 and 417,127,832.86

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Solution

The fourth proportional to 769,559,408.95, 1,061,963,533.05 and 417,127,832.86 is: 575,620,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,408.95 : 1,061,963,533.05 = 417,127,832.86 : x
  2. Step 2: Convert to fraction form
    769,559,408.95/1,061,963,533.05 = 417,127,832.86/x
  3. Step 3: Cross multiply
    769,559,408.95x = 1,061,963,533.05 × 417,127,832.86
  4. Step 4: Simplify right side
    769,559,408.95x = 442,974,547,117,495,488
  5. Step 5: Solve for x
    x = 442,974,547,117,495,488/769,559,408.95
  6. Step 6: Final answer
    x = 575,620,987.76

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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.