Home / 556,423,946,527.45-834,683,998,207.40-153,507,416,820.71

Finding the Fourth Proportional to 556,423,946,527.45, 834,683,998,207.40 and 153,507,416,820.71

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Solution

The fourth proportional to 556,423,946,527.45, 834,683,998,207.40 and 153,507,416,820.71 is: 230,274,389,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,423,946,527.45 : 834,683,998,207.40 = 153,507,416,820.71 : x
  2. Step 2: Convert to fraction form
    556,423,946,527.45/834,683,998,207.40 = 153,507,416,820.71/x
  3. Step 3: Cross multiply
    556,423,946,527.45x = 834,683,998,207.40 × 153,507,416,820.71
  4. Step 4: Simplify right side
    556,423,946,527.45x = 128,130,184,426,400,100,909,056
  5. Step 5: Solve for x
    x = 128,130,184,426,400,100,909,056/556,423,946,527.45
  6. Step 6: Final answer
    x = 230,274,389,206.36

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1.5x scale

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.