Home / 637,705,535.40-955,956,440.70-346,142,860.20

Finding the Fourth Proportional to 637,705,535.40, 955,956,440.70 and 346,142,860.20

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Solution

The fourth proportional to 637,705,535.40, 955,956,440.70 and 346,142,860.20 is: 518,887,602.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,705,535.40 : 955,956,440.70 = 346,142,860.20 : x
  2. Step 2: Convert to fraction form
    637,705,535.40/955,956,440.70 = 346,142,860.20/x
  3. Step 3: Cross multiply
    637,705,535.40x = 955,956,440.70 × 346,142,860.20
  4. Step 4: Simplify right side
    637,705,535.40x = 330,897,496,610,509,696
  5. Step 5: Solve for x
    x = 330,897,496,610,509,696/637,705,535.40
  6. Step 6: Final answer
    x = 518,887,602.89

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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.