Home / 495,147,030.30-742,720,545.45-265,564,518.30

Finding the Fourth Proportional to 495,147,030.30, 742,720,545.45 and 265,564,518.30

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Solution

The fourth proportional to 495,147,030.30, 742,720,545.45 and 265,564,518.30 is: 398,346,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,147,030.30 : 742,720,545.45 = 265,564,518.30 : x
  2. Step 2: Convert to fraction form
    495,147,030.30/742,720,545.45 = 265,564,518.30/x
  3. Step 3: Cross multiply
    495,147,030.30x = 742,720,545.45 × 265,564,518.30
  4. Step 4: Simplify right side
    495,147,030.30x = 197,240,223,883,942,528
  5. Step 5: Solve for x
    x = 197,240,223,883,942,528/495,147,030.30
  6. Step 6: Final answer
    x = 398,346,777.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.