Home / 553,676,010.90-830,514,016.35-545,066,666.70

Finding the Fourth Proportional to 553,676,010.90, 830,514,016.35 and 545,066,666.70

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Solution

The fourth proportional to 553,676,010.90, 830,514,016.35 and 545,066,666.70 is: 817,600,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,676,010.90 : 830,514,016.35 = 545,066,666.70 : x
  2. Step 2: Convert to fraction form
    553,676,010.90/830,514,016.35 = 545,066,666.70/x
  3. Step 3: Cross multiply
    553,676,010.90x = 830,514,016.35 × 545,066,666.70
  4. Step 4: Simplify right side
    553,676,010.90x = 452,685,506,539,523,840
  5. Step 5: Solve for x
    x = 452,685,506,539,523,840/553,676,010.90
  6. Step 6: Final answer
    x = 817,600,000.05

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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.