Home / 434,484,074.10-651,726,111.15-127,807,187.70

Finding the Fourth Proportional to 434,484,074.10, 651,726,111.15 and 127,807,187.70

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Solution

The fourth proportional to 434,484,074.10, 651,726,111.15 and 127,807,187.70 is: 191,710,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,484,074.10 : 651,726,111.15 = 127,807,187.70 : x
  2. Step 2: Convert to fraction form
    434,484,074.10/651,726,111.15 = 127,807,187.70/x
  3. Step 3: Cross multiply
    434,484,074.10x = 651,726,111.15 × 127,807,187.70
  4. Step 4: Simplify right side
    434,484,074.10x = 83,295,281,416,739,104
  5. Step 5: Solve for x
    x = 83,295,281,416,739,104/434,484,074.10
  6. Step 6: Final answer
    x = 191,710,781.55

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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.