Home / 540,436,543.76-745,871,500.68-302,294,962.64

Finding the Fourth Proportional to 540,436,543.76, 745,871,500.68 and 302,294,962.64

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Solution

The fourth proportional to 540,436,543.76, 745,871,500.68 and 302,294,962.64 is: 417,205,683.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,436,543.76 : 745,871,500.68 = 302,294,962.64 : x
  2. Step 2: Convert to fraction form
    540,436,543.76/745,871,500.68 = 302,294,962.64/x
  3. Step 3: Cross multiply
    540,436,543.76x = 745,871,500.68 × 302,294,962.64
  4. Step 4: Simplify right side
    540,436,543.76x = 225,473,197,432,301,312
  5. Step 5: Solve for x
    x = 225,473,197,432,301,312/540,436,543.76
  6. Step 6: Final answer
    x = 417,205,683.14

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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.