Home / 999,377,460,172.60-1,379,140,895,038.40-571,665,240,316.60

Finding the Fourth Proportional to 999,377,460,172.60, 1,379,140,895,038.40 and 571,665,240,316.60

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Solution

The fourth proportional to 999,377,460,172.60, 1,379,140,895,038.40 and 571,665,240,316.60 is: 788,898,031,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,377,460,172.60 : 1,379,140,895,038.40 = 571,665,240,316.60 : x
  2. Step 2: Convert to fraction form
    999,377,460,172.60/1,379,140,895,038.40 = 571,665,240,316.60/x
  3. Step 3: Cross multiply
    999,377,460,172.60x = 1,379,140,895,038.40 × 571,665,240,316.60
  4. Step 4: Simplify right side
    999,377,460,172.60x = 788,406,911,192,577,685,323,776
  5. Step 5: Solve for x
    x = 788,406,911,192,577,685,323,776/999,377,460,172.60
  6. Step 6: Final answer
    x = 788,898,031,637.03

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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.