Home / 356,996,479.14-533,090,698.85-291,547,452.67

Finding the Fourth Proportional to 356,996,479.14, 533,090,698.85 and 291,547,452.67

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Solution

The fourth proportional to 356,996,479.14, 533,090,698.85 and 291,547,452.67 is: 435,357,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,996,479.14 : 533,090,698.85 = 291,547,452.67 : x
  2. Step 2: Convert to fraction form
    356,996,479.14/533,090,698.85 = 291,547,452.67/x
  3. Step 3: Cross multiply
    356,996,479.14x = 533,090,698.85 × 291,547,452.67
  4. Step 4: Simplify right side
    356,996,479.14x = 155,421,235,291,189,568
  5. Step 5: Solve for x
    x = 155,421,235,291,189,568/356,996,479.14
  6. Step 6: Final answer
    x = 435,357,893.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.