Home / 738,400,404.60-1,018,771,337.16-425,126,563.92

Finding the Fourth Proportional to 738,400,404.60, 1,018,771,337.16 and 425,126,563.92

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Solution

The fourth proportional to 738,400,404.60, 1,018,771,337.16 and 425,126,563.92 is: 586,547,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,400,404.60 : 1,018,771,337.16 = 425,126,563.92 : x
  2. Step 2: Convert to fraction form
    738,400,404.60/1,018,771,337.16 = 425,126,563.92/x
  3. Step 3: Cross multiply
    738,400,404.60x = 1,018,771,337.16 × 425,126,563.92
  4. Step 4: Simplify right side
    738,400,404.60x = 433,106,757,987,014,592
  5. Step 5: Solve for x
    x = 433,106,757,987,014,592/738,400,404.60
  6. Step 6: Final answer
    x = 586,547,292.35

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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.