Home / 405,009,011.74-607,509,088.94-98,301,124.62

Finding the Fourth Proportional to 405,009,011.74, 607,509,088.94 and 98,301,124.62

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Solution

The fourth proportional to 405,009,011.74, 607,509,088.94 and 98,301,124.62 is: 147,450,612.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,009,011.74 : 607,509,088.94 = 98,301,124.62 : x
  2. Step 2: Convert to fraction form
    405,009,011.74/607,509,088.94 = 98,301,124.62/x
  3. Step 3: Cross multiply
    405,009,011.74x = 607,509,088.94 × 98,301,124.62
  4. Step 4: Simplify right side
    405,009,011.74x = 59,718,826,658,857,496
  5. Step 5: Solve for x
    x = 59,718,826,658,857,496/405,009,011.74
  6. Step 6: Final answer
    x = 147,450,612.03

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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.