Home / 675,326,148.40-931,979,210.96-373,911,457.54

Finding the Fourth Proportional to 675,326,148.40, 931,979,210.96 and 373,911,457.54

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Solution

The fourth proportional to 675,326,148.40, 931,979,210.96 and 373,911,457.54 is: 516,013,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,326,148.40 : 931,979,210.96 = 373,911,457.54 : x
  2. Step 2: Convert to fraction form
    675,326,148.40/931,979,210.96 = 373,911,457.54/x
  3. Step 3: Cross multiply
    675,326,148.40x = 931,979,210.96 × 373,911,457.54
  4. Step 4: Simplify right side
    675,326,148.40x = 348,477,705,167,032,768
  5. Step 5: Solve for x
    x = 348,477,705,167,032,768/675,326,148.40
  6. Step 6: Final answer
    x = 516,013,937.85

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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.