Home / 760,640,070.12-1,050,667,950.63-629,012,763.24

Finding the Fourth Proportional to 760,640,070.12, 1,050,667,950.63 and 629,012,763.24

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Solution

The fourth proportional to 760,640,070.12, 1,050,667,950.63 and 629,012,763.24 is: 868,851,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,640,070.12 : 1,050,667,950.63 = 629,012,763.24 : x
  2. Step 2: Convert to fraction form
    760,640,070.12/1,050,667,950.63 = 629,012,763.24/x
  3. Step 3: Cross multiply
    760,640,070.12x = 1,050,667,950.63 × 629,012,763.24
  4. Step 4: Simplify right side
    760,640,070.12x = 660,883,550,871,871,616
  5. Step 5: Solve for x
    x = 660,883,550,871,871,616/760,640,070.12
  6. Step 6: Final answer
    x = 868,851,874.67

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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.