Home / 914,209,983,779.34-1,370,409,174,192.60-429,296,160,671.85

Finding the Fourth Proportional to 914,209,983,779.34, 1,370,409,174,192.60 and 429,296,160,671.85

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Solution

The fourth proportional to 914,209,983,779.34, 1,370,409,174,192.60 and 429,296,160,671.85 is: 643,518,893,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,209,983,779.34 : 1,370,409,174,192.60 = 429,296,160,671.85 : x
  2. Step 2: Convert to fraction form
    914,209,983,779.34/1,370,409,174,192.60 = 429,296,160,671.85/x
  3. Step 3: Cross multiply
    914,209,983,779.34x = 1,370,409,174,192.60 × 429,296,160,671.85
  4. Step 4: Simplify right side
    914,209,983,779.34x = 588,311,397,030,363,710,619,648
  5. Step 5: Solve for x
    x = 588,311,397,030,363,710,619,648/914,209,983,779.34
  6. Step 6: Final answer
    x = 643,518,893,327.21

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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.