Home / 530,621,371.53-732,311,981.06-318,996,714.27

Finding the Fourth Proportional to 530,621,371.53, 732,311,981.06 and 318,996,714.27

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Solution

The fourth proportional to 530,621,371.53, 732,311,981.06 and 318,996,714.27 is: 440,248,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,621,371.53 : 732,311,981.06 = 318,996,714.27 : x
  2. Step 2: Convert to fraction form
    530,621,371.53/732,311,981.06 = 318,996,714.27/x
  3. Step 3: Cross multiply
    530,621,371.53x = 732,311,981.06 × 318,996,714.27
  4. Step 4: Simplify right side
    530,621,371.53x = 233,605,115,779,845,632
  5. Step 5: Solve for x
    x = 233,605,115,779,845,632/530,621,371.53
  6. Step 6: Final answer
    x = 440,248,222.77

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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.