Home / 738,400,405.60-1,018,771,338.54-425,126,564.92

Finding the Fourth Proportional to 738,400,405.60, 1,018,771,338.54 and 425,126,564.92

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Solution

The fourth proportional to 738,400,405.60, 1,018,771,338.54 and 425,126,564.92 is: 586,547,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,400,405.60 : 1,018,771,338.54 = 425,126,564.92 : x
  2. Step 2: Convert to fraction form
    738,400,405.60/1,018,771,338.54 = 425,126,564.92/x
  3. Step 3: Cross multiply
    738,400,405.60x = 1,018,771,338.54 × 425,126,564.92
  4. Step 4: Simplify right side
    738,400,405.60x = 433,106,759,592,460,608
  5. Step 5: Solve for x
    x = 433,106,759,592,460,608/738,400,405.60
  6. Step 6: Final answer
    x = 586,547,293.73

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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.