Home / 373,931,386.40-560,897,079.60-212,688,250.40

Finding the Fourth Proportional to 373,931,386.40, 560,897,079.60 and 212,688,250.40

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Solution

The fourth proportional to 373,931,386.40, 560,897,079.60 and 212,688,250.40 is: 319,032,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,931,386.40 : 560,897,079.60 = 212,688,250.40 : x
  2. Step 2: Convert to fraction form
    373,931,386.40/560,897,079.60 = 212,688,250.40/x
  3. Step 3: Cross multiply
    373,931,386.40x = 560,897,079.60 × 212,688,250.40
  4. Step 4: Simplify right side
    373,931,386.40x = 119,296,218,514,593,536
  5. Step 5: Solve for x
    x = 119,296,218,514,593,536/373,931,386.40
  6. Step 6: Final answer
    x = 319,032,375.60

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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.