Home / 779,671,947.95-1,076,000,077.33-440,462,775.13

Finding the Fourth Proportional to 779,671,947.95, 1,076,000,077.33 and 440,462,775.13

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Solution

The fourth proportional to 779,671,947.95, 1,076,000,077.33 and 440,462,775.13 is: 607,868,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,671,947.95 : 1,076,000,077.33 = 440,462,775.13 : x
  2. Step 2: Convert to fraction form
    779,671,947.95/1,076,000,077.33 = 440,462,775.13/x
  3. Step 3: Cross multiply
    779,671,947.95x = 1,076,000,077.33 × 440,462,775.13
  4. Step 4: Simplify right side
    779,671,947.95x = 473,937,980,097,075,264
  5. Step 5: Solve for x
    x = 473,937,980,097,075,264/779,671,947.95
  6. Step 6: Final answer
    x = 607,868,452.04

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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.