Home / 30,209,095,840.81-45,305,914,688.76-8,956,574,883.93

Finding the Fourth Proportional to 30,209,095,840.81, 45,305,914,688.76 and 8,956,574,883.93

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Solution

The fourth proportional to 30,209,095,840.81, 45,305,914,688.76 and 8,956,574,883.93 is: 13,432,570,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209,095,840.81 : 45,305,914,688.76 = 8,956,574,883.93 : x
  2. Step 2: Convert to fraction form
    30,209,095,840.81/45,305,914,688.76 = 8,956,574,883.93/x
  3. Step 3: Cross multiply
    30,209,095,840.81x = 45,305,914,688.76 × 8,956,574,883.93
  4. Step 4: Simplify right side
    30,209,095,840.81x = 405,785,817,594,823,114,752
  5. Step 5: Solve for x
    x = 405,785,817,594,823,114,752/30,209,095,840.81
  6. Step 6: Final answer
    x = 13,432,570,763.89

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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.