Home / 478,510,711,260.98-660,346,771,076.36-258,779,403,370.02

Finding the Fourth Proportional to 478,510,711,260.98, 660,346,771,076.36 and 258,779,403,370.02

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Solution

The fourth proportional to 478,510,711,260.98, 660,346,771,076.36 and 258,779,403,370.02 is: 357,116,652,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,510,711,260.98 : 660,346,771,076.36 = 258,779,403,370.02 : x
  2. Step 2: Convert to fraction form
    478,510,711,260.98/660,346,771,076.36 = 258,779,403,370.02/x
  3. Step 3: Cross multiply
    478,510,711,260.98x = 660,346,771,076.36 × 258,779,403,370.02
  4. Step 4: Simplify right side
    478,510,711,260.98x = 170,884,143,436,459,602,345,984
  5. Step 5: Solve for x
    x = 170,884,143,436,459,602,345,984/478,510,711,260.98
  6. Step 6: Final answer
    x = 357,116,652,595.18

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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.