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Finding the Fourth Proportional to 700,841,345.90, 1,051,262,018.85 and 700,841,345.90

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Solution

The fourth proportional to 700,841,345.90, 1,051,262,018.85 and 700,841,345.90 is: 1,051,262,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,841,345.90 : 1,051,262,018.85 = 700,841,345.90 : x
  2. Step 2: Convert to fraction form
    700,841,345.90/1,051,262,018.85 = 700,841,345.90/x
  3. Step 3: Cross multiply
    700,841,345.90x = 1,051,262,018.85 × 700,841,345.90
  4. Step 4: Simplify right side
    700,841,345.90x = 736,767,888,184,385,152
  5. Step 5: Solve for x
    x = 736,767,888,184,385,152/700,841,345.90
  6. Step 6: Final answer
    x = 1,051,262,018.85

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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.