Home / 434,484,078.60-651,726,117.90-127,807,192.20

Finding the Fourth Proportional to 434,484,078.60, 651,726,117.90 and 127,807,192.20

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Solution

The fourth proportional to 434,484,078.60, 651,726,117.90 and 127,807,192.20 is: 191,710,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,484,078.60 : 651,726,117.90 = 127,807,192.20 : x
  2. Step 2: Convert to fraction form
    434,484,078.60/651,726,117.90 = 127,807,192.20/x
  3. Step 3: Cross multiply
    434,484,078.60x = 651,726,117.90 × 127,807,192.20
  4. Step 4: Simplify right side
    434,484,078.60x = 83,295,285,212,205,152
  5. Step 5: Solve for x
    x = 83,295,285,212,205,152/434,484,078.60
  6. Step 6: Final answer
    x = 191,710,788.30

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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.