Home / 434,484,005.60-651,726,008.40-127,807,119.20

Finding the Fourth Proportional to 434,484,005.60, 651,726,008.40 and 127,807,119.20

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Solution

The fourth proportional to 434,484,005.60, 651,726,008.40 and 127,807,119.20 is: 191,710,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,484,005.60 : 651,726,008.40 = 127,807,119.20 : x
  2. Step 2: Convert to fraction form
    434,484,005.60/651,726,008.40 = 127,807,119.20/x
  3. Step 3: Cross multiply
    434,484,005.60x = 651,726,008.40 × 127,807,119.20
  4. Step 4: Simplify right side
    434,484,005.60x = 83,295,223,641,319,008
  5. Step 5: Solve for x
    x = 83,295,223,641,319,008/434,484,005.60
  6. Step 6: Final answer
    x = 191,710,678.80

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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.