Home / 710,705,849.58-981,020,637.63-488,423,353.50

Finding the Fourth Proportional to 710,705,849.58, 981,020,637.63 and 488,423,353.50

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Solution

The fourth proportional to 710,705,849.58, 981,020,637.63 and 488,423,353.50 is: 674,193,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,705,849.58 : 981,020,637.63 = 488,423,353.50 : x
  2. Step 2: Convert to fraction form
    710,705,849.58/981,020,637.63 = 488,423,353.50/x
  3. Step 3: Cross multiply
    710,705,849.58x = 981,020,637.63 × 488,423,353.50
  4. Step 4: Simplify right side
    710,705,849.58x = 479,153,389,683,952,896
  5. Step 5: Solve for x
    x = 479,153,389,683,952,896/710,705,849.58
  6. Step 6: Final answer
    x = 674,193,676.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.