Home / 673,771,499.20-1,010,657,248.80-411,877,374.40

Finding the Fourth Proportional to 673,771,499.20, 1,010,657,248.80 and 411,877,374.40

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Solution

The fourth proportional to 673,771,499.20, 1,010,657,248.80 and 411,877,374.40 is: 617,816,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,771,499.20 : 1,010,657,248.80 = 411,877,374.40 : x
  2. Step 2: Convert to fraction form
    673,771,499.20/1,010,657,248.80 = 411,877,374.40/x
  3. Step 3: Cross multiply
    673,771,499.20x = 1,010,657,248.80 × 411,877,374.40
  4. Step 4: Simplify right side
    673,771,499.20x = 416,266,854,054,071,488
  5. Step 5: Solve for x
    x = 416,266,854,054,071,488/673,771,499.20
  6. Step 6: Final answer
    x = 617,816,061.60

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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.