Home / 1,370,423,000,275.10-2,055,702,780,289.50-521,545,321,126.40

Finding the Fourth Proportional to 1,370,423,000,275.10, 2,055,702,780,289.50 and 521,545,321,126.40

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Solution

The fourth proportional to 1,370,423,000,275.10, 2,055,702,780,289.50 and 521,545,321,126.40 is: 782,343,967,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,423,000,275.10 : 2,055,702,780,289.50 = 521,545,321,126.40 : x
  2. Step 2: Convert to fraction form
    1,370,423,000,275.10/2,055,702,780,289.50 = 521,545,321,126.40/x
  3. Step 3: Cross multiply
    1,370,423,000,275.10x = 2,055,702,780,289.50 × 521,545,321,126.40
  4. Step 4: Simplify right side
    1,370,423,000,275.10x = 1,072,142,166,686,520,588,632,064
  5. Step 5: Solve for x
    x = 1,072,142,166,686,520,588,632,064/1,370,423,000,275.10
  6. Step 6: Final answer
    x = 782,343,967,133.72

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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.