Home / 539,153,999.30-808,730,998.95-533,779,228.10

Finding the Fourth Proportional to 539,153,999.30, 808,730,998.95 and 533,779,228.10

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Solution

The fourth proportional to 539,153,999.30, 808,730,998.95 and 533,779,228.10 is: 800,668,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,153,999.30 : 808,730,998.95 = 533,779,228.10 : x
  2. Step 2: Convert to fraction form
    539,153,999.30/808,730,998.95 = 533,779,228.10/x
  3. Step 3: Cross multiply
    539,153,999.30x = 808,730,998.95 × 533,779,228.10
  4. Step 4: Simplify right side
    539,153,999.30x = 431,683,808,360,072,960
  5. Step 5: Solve for x
    x = 431,683,808,360,072,960/539,153,999.30
  6. Step 6: Final answer
    x = 800,668,842.15

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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.