Home / 373,931,390.40-560,897,085.60-212,688,254.40

Finding the Fourth Proportional to 373,931,390.40, 560,897,085.60 and 212,688,254.40

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Solution

The fourth proportional to 373,931,390.40, 560,897,085.60 and 212,688,254.40 is: 319,032,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,931,390.40 : 560,897,085.60 = 212,688,254.40 : x
  2. Step 2: Convert to fraction form
    373,931,390.40/560,897,085.60 = 212,688,254.40/x
  3. Step 3: Cross multiply
    373,931,390.40x = 560,897,085.60 × 212,688,254.40
  4. Step 4: Simplify right side
    373,931,390.40x = 119,296,222,034,311,392
  5. Step 5: Solve for x
    x = 119,296,222,034,311,392/373,931,390.40
  6. Step 6: Final answer
    x = 319,032,381.60

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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.